130618520 has 32 divisors (see below), whose sum is σ = 300730320. Its totient is φ = 51031680.

The previous prime is 130618517. The next prime is 130618529. The reversal of 130618520 is 25816031.

It is a super-2 number, since 2×130618520² = 34122395533980800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 130618520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130618529) 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, 36251 + ... + 39690.

Almost surely, 2^130618520 is an apocalyptic number.

130618520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130618520 is an abundant number, since it is smaller than the sum of its proper divisors (170111800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130618520 is a wasteful number, since it uses less digits than its factorization.

130618520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75995 (or 75991 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 130618520 is about 11428.8459609884. The cubic root of 130618520 is about 507.3818405300.

The spelling of 130618520 in words is "one hundred thirty million, six hundred eighteen thousand, five hundred twenty".