139523932 has 12 divisors (see below), whose sum is σ = 252043456. Its totient is φ = 67511520.

The previous prime is 139523899. The next prime is 139523941. The reversal of 139523932 is 239325931.

139523932 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 139523891 and 139523900.

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, 562473 + ... + 562720.

Almost surely, 2^139523932 is an apocalyptic number.

It is an amenable number.

139523932 is a deficient number, since it is larger than the sum of its proper divisors (112519524).

139523932 is a wasteful number, since it uses less digits than its factorization.

139523932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125228 (or 1125226 counting only the distinct ones).

The product of its digits is 43740, while the sum is 37.

The square root of 139523932 is about 11812.0248899162. The cubic root of 139523932 is about 518.6601750505.

The spelling of 139523932 in words is "one hundred thirty-nine million, five hundred twenty-three thousand, nine hundred thirty-two".