130856679 has 12 divisors (see below), whose sum is σ = 194124216. Its totient is φ = 84879792.

The previous prime is 130856657. The next prime is 130856689. The reversal of 130856679 is 976658031.

It is a happy number.

130856679 is a `hidden beast` number, since 13 + 0 + 8 + 566 + 79 = 666.

It is not a de Polignac number, because 130856679 - 2⁸ = 130856423 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130856639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 196149 + ... + 196814.

It is an arithmetic number, because the mean of its divisors is an integer number (16177018).

Almost surely, 2^130856679 is an apocalyptic number.

130856679 is a deficient number, since it is larger than the sum of its proper divisors (63267537).

130856679 is a wasteful number, since it uses less digits than its factorization.

130856679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393006 (or 393003 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 130856679 is about 11439.2604218979. The cubic root of 130856679 is about 507.6900259857.

The spelling of 130856679 in words is "one hundred thirty million, eight hundred fifty-six thousand, six hundred seventy-nine".