130518656 has 32 divisors (see below), whose sum is σ = 275317380. Its totient is φ = 61419520.

The previous prime is 130518623. The next prime is 130518659. The reversal of 130518656 is 656815031.

It can be written as a sum of positive squares in 2 ways, for example, as 130325056 + 193600 = 11416^2 + 440^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×130518656³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (130518659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27815 + ... + 32166.

Almost surely, 2^130518656 is an apocalyptic number.

130518656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

130518656 is an abundant number, since it is smaller than the sum of its proper divisors (144798724).

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

130518656 is an equidigital number, since it uses as much as digits as its factorization.

130518656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60012 (or 60000 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 130518656 is about 11424.4761805520. The cubic root of 130518656 is about 507.2525018048.

The spelling of 130518656 in words is "one hundred thirty million, five hundred eighteen thousand, six hundred fifty-six".