139884956 has 12 divisors (see below), whose sum is σ = 248812200. Its totient is φ = 68795760.

The previous prime is 139884937. The next prime is 139885033. The reversal of 139884956 is 659488931.

139884956 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 = 139884898 and 139884907.

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, 286406 + ... + 286893.

It is an arithmetic number, because the mean of its divisors is an integer number (20734350).

Almost surely, 2^139884956 is an apocalyptic number.

It is an amenable number.

139884956 is a deficient number, since it is larger than the sum of its proper divisors (108927244).

139884956 is a wasteful number, since it uses less digits than its factorization.

139884956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573364 (or 573362 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 53.

The square root of 139884956 is about 11827.2970707597. The cubic root of 139884956 is about 519.1071413772.

The spelling of 139884956 in words is "one hundred thirty-nine million, eight hundred eighty-four thousand, nine hundred fifty-six".