139962128 has 20 divisors (see below), whose sum is σ = 273315840. Its totient is φ = 69429024.

The previous prime is 139962059. The next prime is 139962133. The reversal of 139962128 is 821269931.

139962128 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 32408 + ... + 36471.

It is an arithmetic number, because the mean of its divisors is an integer number (13665792).

Almost surely, 2^139962128 is an apocalyptic number.

It is an amenable number.

139962128 is a deficient number, since it is larger than the sum of its proper divisors (133353712).

139962128 is a wasteful number, since it uses less digits than its factorization.

139962128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69014 (or 69008 counting only the distinct ones).

The product of its digits is 46656, while the sum is 41.

The square root of 139962128 is about 11830.5590738561. The cubic root of 139962128 is about 519.2025845014.

The spelling of 139962128 in words is "one hundred thirty-nine million, nine hundred sixty-two thousand, one hundred twenty-eight".