130660136 has 8 divisors (see below), whose sum is σ = 244987770. Its totient is φ = 65330064.

The previous prime is 130660129. The next prime is 130660151. The reversal of 130660136 is 631066031.

It can be written as a sum of positive squares in only one way, i.e., 106708900 + 23951236 = 10330^2 + 4894^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×130660136² = 34144142279076992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8166251 + ... + 8166266.

Almost surely, 2^130660136 is an apocalyptic number.

It is an amenable number.

130660136 is a deficient number, since it is larger than the sum of its proper divisors (114327634).

130660136 is a wasteful number, since it uses less digits than its factorization.

130660136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16332523 (or 16332519 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 130660136 is about 11430.6664722579. Note that the first 3 decimals coincide. The cubic root of 130660136 is about 507.4357199763.

The spelling of 130660136 in words is "one hundred thirty million, six hundred sixty thousand, one hundred thirty-six".