130139688 has 64 divisors (see below), whose sum is σ = 379440000. Its totient is φ = 37180416.

The previous prime is 130139677. The next prime is 130139701. The reversal of 130139688 is 886931031.

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, 328 + ... + 16136.

It is an arithmetic number, because the mean of its divisors is an integer number (5928750).

Almost surely, 2^130139688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130139688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189720000).

130139688 is an abundant number, since it is smaller than the sum of its proper divisors (249300312).

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

130139688 is a wasteful number, since it uses less digits than its factorization.

130139688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15839 (or 15821 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 130139688 is about 11407.8783303470. The cubic root of 130139688 is about 506.7610808203.

The spelling of 130139688 in words is "one hundred thirty million, one hundred thirty-nine thousand, six hundred eighty-eight".