130657792 has 20 divisors (see below), whose sum is σ = 261061416. Its totient is φ = 65328640.

The previous prime is 130657759. The next prime is 130657811. The reversal of 130657792 is 297756031.

It is a super-2 number, since 2×130657792² = 34142917220630528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127084 + ... + 128107.

Almost surely, 2^130657792 is an apocalyptic number.

It is an amenable number.

130657792 is a deficient number, since it is larger than the sum of its proper divisors (130403624).

130657792 is an frugal number, since it uses more digits than its factorization.

130657792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255209 (or 255193 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 130657792 is about 11430.5639405937. The cubic root of 130657792 is about 507.4326855480.

The spelling of 130657792 in words is "one hundred thirty million, six hundred fifty-seven thousand, seven hundred ninety-two".