130996520 has 64 divisors (see below), whose sum is σ = 306374400. Its totient is φ = 50371840.

The previous prime is 130996513. The next prime is 130996531. The reversal of 130996520 is 25699031.

130996520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×130996520² = 34320176504220800, which contains 22 as substring.

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, 110330 + ... + 111510.

It is an arithmetic number, because the mean of its divisors is an integer number (4787100).

Almost surely, 2^130996520 is an apocalyptic number.

130996520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130996520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153187200).

130996520 is an abundant number, since it is smaller than the sum of its proper divisors (175377880).

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

130996520 is a wasteful number, since it uses less digits than its factorization.

130996520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1298 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 130996520 is about 11445.3711167441. The cubic root of 130996520 is about 507.8708105570.

The spelling of 130996520 in words is "one hundred thirty million, nine hundred ninety-six thousand, five hundred twenty".