139732902 has 24 divisors (see below), whose sum is σ = 303250584. Its totient is φ = 46501344.

The previous prime is 139732871. The next prime is 139732939. The reversal of 139732902 is 209237931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5538 + ... + 17610.

It is an arithmetic number, because the mean of its divisors is an integer number (12635441).

Almost surely, 2^139732902 is an apocalyptic number.

139732902 is an abundant number, since it is smaller than the sum of its proper divisors (163517682).

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

139732902 is a wasteful number, since it uses less digits than its factorization.

139732902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12724 (or 12721 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 139732902 is about 11820.8672270693. The cubic root of 139732902 is about 518.9189845364.

The spelling of 139732902 in words is "one hundred thirty-nine million, seven hundred thirty-two thousand, nine hundred two".