139450964 has 12 divisors (see below), whose sum is σ = 244204800. Its totient is φ = 69678168.

The previous prime is 139450957. The next prime is 139450973. The reversal of 139450964 is 469054931.

139450964 is digitally balanced in base 2, 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4724 + ... + 17355.

It is an arithmetic number, because the mean of its divisors is an integer number (20350400).

Almost surely, 2^139450964 is an apocalyptic number.

It is an amenable number.

139450964 is a deficient number, since it is larger than the sum of its proper divisors (104753836).

139450964 is a wasteful number, since it uses less digits than its factorization.

139450964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23662 (or 23660 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 139450964 is about 11808.9357691538. The cubic root of 139450964 is about 518.5697432646.

The spelling of 139450964 in words is "one hundred thirty-nine million, four hundred fifty thousand, nine hundred sixty-four".