139102932 has 12 divisors (see below), whose sum is σ = 324573536. Its totient is φ = 46367640.

The previous prime is 139102927. The next prime is 139102949. The reversal of 139102932 is 239201931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 139102932.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5795944 + ... + 5795967.

Almost surely, 2^139102932 is an apocalyptic number.

139102932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

139102932 is an abundant number, since it is smaller than the sum of its proper divisors (185470604).

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

139102932 is a wasteful number, since it uses less digits than its factorization.

139102932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591918 (or 11591916 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 139102932 is about 11794.1906038524. The cubic root of 139102932 is about 518.1379804656.

The spelling of 139102932 in words is "one hundred thirty-nine million, one hundred two thousand, nine hundred thirty-two".