130 is the natural number following 129 and preceding 131.
| Template:Numbers 100-200 | |
| Cardinal | One hundred [and] thirty |
| Ordinal | 130th |
| Factorization | ![]() |
| Divisors | 2, 5, 13, 26, 65 |
| Roman numeral | CXXX |
| Binary | 10000010 |
| Hexadecimal | 82 |
One hundred thirty is a sphenic number.
One hundred thirty is also:
One hundred thirty-one (131, CXXXI) is the natural number following one hundred thirty and preceding one hundred thirty-two. It is the 32nd prime number, and it is a palindromic prime as well as a permutable prime, since it permutes with one hundred thirteen and three hundred eleven.
This number is the sum of three consecutive primes (41 + 43 + 47).
One hundred thirty-one is also:
One hundred thirty-two (132, CXXXII) is the natural number following one hundred thirty-one and preceding one hundred thirty-three. It is a Catalan number, a Harshad number, a pronic number and a composite number, and its factorization is

One hundred thirty-two is also:
One hundred thirty-three (133, CXXXIII) is the natural number following one hundred thirty-two and preceding one hundred thirty-four. It is a composite number, and its factorization is

It is the smallest n whose divisors (excluding n itself) added up divide φ(n). It is an octagonal number and a Harshad number.
One hundred thirty-three is also:
One hundred thirty-four (134, CXXXIV) is the natural number following one hundred thirty-three and preceding one hundred thirty-five. It is a composite number, and its factorization is

It is a nontotient since there is no integer with 134 coprimes below it.
One hundred thirty-four is also:
One hundred thirty-five (135, CXXXV) is the natural number following one hundred thirty-four and preceding one hundred thirty-six. It is a composite number, and its factorization is

It is a Harshad number.
One hundred thirty-five is also:
One hundred thirty-six (136, CXXXVI) is the natural number following one hundred thirty-five and preceding one hundred thirty-six. It is a composite number, and its factorization is

136 is itself a factor of the Eddington number. 136 is a centered triangular number.
One hundred thirty-six is also:
One hundred thirty-seven now has its own article.
One hundred thirty-eight (138, CXXXVIII) is the natural number following one hundred thirty-seven and preceding one hundred thirty-eight. It is a composite number, and its factorization

makes it a sphenic number. This number is the sum of four consecutive primes (29 + 31 + 37 + 41).
One hundred thirty-eight is also:
One hundred thirty-nine (139, CXXXIX) is the natural number following one hundred thirty-eight and preceding one hundred forty. It is the 34th prime number, the previous is one hundred thirty-seven, with which it comprises a twin prime.
This number is the sum of five consecutive prime numbers (19 + 23 + 29 + 31 + 37).
One hundred thirty-nine is also: