130656392 has 16 divisors (see below), whose sum is σ = 245205900. Its totient is φ = 65268160.

The previous prime is 130656391. The next prime is 130656431. The reversal of 130656392 is 293656031.

It can be written as a sum of positive squares in 2 ways, for example, as 130279396 + 376996 = 11414^2 + 614^2 .

It is not an unprimeable number, because it can be changed into a prime (130656391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534 + ... + 16362.

Almost surely, 2^130656392 is an apocalyptic number.

It is an amenable number.

130656392 is a deficient number, since it is larger than the sum of its proper divisors (114549508).

130656392 is a wasteful number, since it uses less digits than its factorization.

130656392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15016 (or 15012 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 130656392 is about 11430.5027011064. The cubic root of 130656392 is about 507.4308731588.

The spelling of 130656392 in words is "one hundred thirty million, six hundred fifty-six thousand, three hundred ninety-two".