139886616 has 32 divisors (see below), whose sum is σ = 353185200. Its totient is φ = 46166400.

The previous prime is 139886609. The next prime is 139886627. The reversal of 139886616 is 616688931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26431 + ... + 31278.

Almost surely, 2^139886616 is an apocalyptic number.

It is an amenable number.

139886616 is an abundant number, since it is smaller than the sum of its proper divisors (213298584).

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

139886616 is a wasteful number, since it uses less digits than its factorization.

139886616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57819 (or 57815 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 139886616 is about 11827.3672471941. The cubic root of 139886616 is about 519.1091947657.

The spelling of 139886616 in words is "one hundred thirty-nine million, eight hundred eighty-six thousand, six hundred sixteen".