130892531 has 16 divisors (see below), whose sum is σ = 163742208. Its totient is φ = 101649600.

The previous prime is 130892527. The next prime is 130892549. The reversal of 130892531 is 135298031.

It is a cyclic number.

It is not a de Polignac number, because 130892531 - 2² = 130892527 is a prime.

It is a super-2 number, since 2×130892531² = 34265709343171922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130892551) 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, 21386 + ... + 26816.

It is an arithmetic number, because the mean of its divisors is an integer number (10233888).

Almost surely, 2^130892531 is an apocalyptic number.

130892531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

130892531 is a deficient number, since it is larger than the sum of its proper divisors (32849677).

130892531 is a wasteful number, since it uses less digits than its factorization.

130892531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5762.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 130892531 is about 11440.8273739271. The cubic root of 130892531 is about 507.7363872437.

It can be divided in two parts, 1308 and 92531, that added together give a palindrome (93839).

The spelling of 130892531 in words is "one hundred thirty million, eight hundred ninety-two thousand, five hundred thirty-one".