130863857 has 8 divisors (see below), whose sum is σ = 135158400. Its totient is φ = 126609264.

The previous prime is 130863791. The next prime is 130863877. The reversal of 130863857 is 758368031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 130863857 - 2¹⁴ = 130847473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130863877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3257 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (16894800).

Almost surely, 2^130863857 is an apocalyptic number.

It is an amenable number.

130863857 is a deficient number, since it is larger than the sum of its proper divisors (4294543).

130863857 is a wasteful number, since it uses less digits than its factorization.

130863857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19975.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 130863857 is about 11439.5741616548. The cubic root of 130863857 is about 507.6993087430.

The spelling of 130863857 in words is "one hundred thirty million, eight hundred sixty-three thousand, eight hundred fifty-seven".