139593328 has 20 divisors (see below), whose sum is σ = 309099760. Its totient is φ = 59825664.

The previous prime is 139593281. The next prime is 139593353. The reversal of 139593328 is 823395931.

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, 623073 + ... + 623296.

It is an arithmetic number, because the mean of its divisors is an integer number (15454988).

Almost surely, 2^139593328 is an apocalyptic number.

It is an amenable number.

139593328 is an abundant number, since it is smaller than the sum of its proper divisors (169506432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139593328 is a wasteful number, since it uses less digits than its factorization.

139593328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246384 (or 1246378 counting only the distinct ones).

The product of its digits is 174960, while the sum is 43.

The square root of 139593328 is about 11814.9620397190. The cubic root of 139593328 is about 518.7461506851.

The spelling of 139593328 in words is "one hundred thirty-nine million, five hundred ninety-three thousand, three hundred twenty-eight".