130765688 has 16 divisors (see below), whose sum is σ = 253095360. Its totient is φ = 63273600.

The previous prime is 130765643. The next prime is 130765693. The reversal of 130765688 is 886567031.

It is a super-2 number, since 2×130765688² = 34199330316226688, 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 in 3 ways as a sum of consecutive naturals, for example, 263393 + ... + 263888.

It is an arithmetic number, because the mean of its divisors is an integer number (15818460).

Almost surely, 2^130765688 is an apocalyptic number.

It is an amenable number.

130765688 is a deficient number, since it is larger than the sum of its proper divisors (122329672).

130765688 is a wasteful number, since it uses less digits than its factorization.

130765688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527318 (or 527314 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 130765688 is about 11435.2825937971. The cubic root of 130765688 is about 507.5723248618.

The spelling of 130765688 in words is "one hundred thirty million, seven hundred sixty-five thousand, six hundred eighty-eight".