139321592 has 16 divisors (see below), whose sum is σ = 261891960. Its totient is φ = 69483744.

The previous prime is 139321561. The next prime is 139321601. The reversal of 139321592 is 295123931.

139321592 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18758 + ... + 25109.

Almost surely, 2^139321592 is an apocalyptic number.

It is an amenable number.

139321592 is a deficient number, since it is larger than the sum of its proper divisors (122570368).

139321592 is a wasteful number, since it uses less digits than its factorization.

139321592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44270 (or 44266 counting only the distinct ones).

The product of its digits is 14580, while the sum is 35.

The square root of 139321592 is about 11803.4567818076. The cubic root of 139321592 is about 518.4093304568.

The spelling of 139321592 in words is "one hundred thirty-nine million, three hundred twenty-one thousand, five hundred ninety-two".