130139988 has 48 divisors (see below), whose sum is σ = 331935744. Its totient is φ = 39356640.

The previous prime is 130139923. The next prime is 130139993. The reversal of 130139988 is 889931031.

It is a happy number.

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, 119181 + ... + 120267.

It is an arithmetic number, because the mean of its divisors is an integer number (6915328).

Almost surely, 2^130139988 is an apocalyptic number.

It is an amenable number.

130139988 is an abundant number, since it is smaller than the sum of its proper divisors (201795756).

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

130139988 is a wasteful number, since it uses less digits than its factorization.

130139988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012 (or 2010 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 130139988 is about 11407.8914791472. The cubic root of 130139988 is about 506.7614702178.

The spelling of 130139988 in words is "one hundred thirty million, one hundred thirty-nine thousand, nine hundred eighty-eight".