130502931720 has 128 divisors (see below), whose sum is σ = 448555587840. Its totient is φ = 29754777600.

The previous prime is 130502931719. The next prime is 130502931737. The reversal of 130502931720 is 27139205031.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143124 + ... + 530556.

It is an arithmetic number, because the mean of its divisors is an integer number (3504340530).

Almost surely, 2^130502931720 is an apocalyptic number.

130502931720 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 130502931720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224277793920).

130502931720 is an abundant number, since it is smaller than the sum of its proper divisors (318052656120).

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

130502931720 is a wasteful number, since it uses less digits than its factorization.

130502931720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387855 (or 387851 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The spelling of 130502931720 in words is "one hundred thirty billion, five hundred two million, nine hundred thirty-one thousand, seven hundred twenty".