130657656 has 32 divisors (see below), whose sum is σ = 335474640. Its totient is φ = 42375168.

The previous prime is 130657651. The next prime is 130657711. The reversal of 130657656 is 656756031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130657651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72681 + ... + 74456.

Almost surely, 2^130657656 is an apocalyptic number.

It is an amenable number.

130657656 is an abundant number, since it is smaller than the sum of its proper divisors (204816984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130657656 is a wasteful number, since it uses less digits than its factorization.

130657656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147183 (or 147179 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 130657656 is about 11430.5579916293. The cubic root of 130657656 is about 507.4325094879.

The spelling of 130657656 in words is "one hundred thirty million, six hundred fifty-seven thousand, six hundred fifty-six".