139225374 has 24 divisors (see below), whose sum is σ = 308075040. Its totient is φ = 45420768.

The previous prime is 139225351. The next prime is 139225399. The reversal of 139225374 is 473522931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81439 + ... + 83130.

It is an arithmetic number, because the mean of its divisors is an integer number (12836460).

Almost surely, 2^139225374 is an apocalyptic number.

139225374 is an abundant number, since it is smaller than the sum of its proper divisors (168849666).

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

139225374 is a wasteful number, since it uses less digits than its factorization.

139225374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164624 (or 164621 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 139225374 is about 11799.3802379617. The cubic root of 139225374 is about 518.2899620340.

The spelling of 139225374 in words is "one hundred thirty-nine million, two hundred twenty-five thousand, three hundred seventy-four".