139748884 has 12 divisors (see below), whose sum is σ = 266793408. Its totient is φ = 63522200.

The previous prime is 139748879. The next prime is 139748893. The reversal of 139748884 is 488847931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588012 + ... + 1588099.

It is an arithmetic number, because the mean of its divisors is an integer number (22232784).

Almost surely, 2^139748884 is an apocalyptic number.

It is an amenable number.

139748884 is a deficient number, since it is larger than the sum of its proper divisors (127044524).

139748884 is a wasteful number, since it uses less digits than its factorization.

139748884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176126 (or 3176124 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 139748884 is about 11821.5432156720. The cubic root of 139748884 is about 518.9387676296.

The spelling of 139748884 in words is "one hundred thirty-nine million, seven hundred forty-eight thousand, eight hundred eighty-four".