130523756 has 48 divisors (see below), whose sum is σ = 265410432. Its totient is φ = 55507200.

The previous prime is 130523737. The next prime is 130523779. The reversal of 130523756 is 657325031.

130523756 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157415 + ... + 158241.

It is an arithmetic number, because the mean of its divisors is an integer number (5529384).

Almost surely, 2^130523756 is an apocalyptic number.

It is an amenable number.

130523756 is an abundant number, since it is smaller than the sum of its proper divisors (134886676).

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

130523756 is a wasteful number, since it uses less digits than its factorization.

130523756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 130523756 is about 11424.6993833536. The cubic root of 130523756 is about 507.2591086612.

Adding to 130523756 its reverse (657325031), we get a palindrome (787848787).

The spelling of 130523756 in words is "one hundred thirty million, five hundred twenty-three thousand, seven hundred fifty-six".