130756857 has 16 divisors (see below), whose sum is σ = 217362432. Its totient is φ = 67925520.

The previous prime is 130756849. The next prime is 130756859. The reversal of 130756857 is 758657031.

It is not a de Polignac number, because 130756857 - 2³ = 130756849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130756859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282793 + ... + 283254.

It is an arithmetic number, because the mean of its divisors is an integer number (13585152).

Almost surely, 2^130756857 is an apocalyptic number.

It is an amenable number.

130756857 is a deficient number, since it is larger than the sum of its proper divisors (86605575).

130756857 is a wasteful number, since it uses less digits than its factorization.

130756857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566068.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 130756857 is about 11434.8964577735. The cubic root of 130756857 is about 507.5608986430.

The spelling of 130756857 in words is "one hundred thirty million, seven hundred fifty-six thousand, eight hundred fifty-seven".