130130520 has 64 divisors (see below), whose sum is σ = 420426720. Its totient is φ = 32031744.

The previous prime is 130130503. The next prime is 130130531. The reversal of 130130520 is 25031031.

It is a happy number.

130130520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 130130520.

It is a congruent number.

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, 40149 + ... + 43268.

Almost surely, 2^130130520 is an apocalyptic number.

130130520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130130520 is an abundant number, since it is smaller than the sum of its proper divisors (290296200).

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

130130520 is a wasteful number, since it uses less digits than its factorization.

130130520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83444 (or 83440 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 130130520 is about 11407.4764957023. The cubic root of 130130520 is about 506.7491805441.

Adding to 130130520 its reverse (25031031), we get a palindrome (155161551).

The spelling of 130130520 in words is "one hundred thirty million, one hundred thirty thousand, five hundred twenty".