139231200 has 72 divisors (see below), whose sum is σ = 453205368. Its totient is φ = 37127680.

The previous prime is 139231187. The next prime is 139231223. The reversal of 139231200 is 2132931.

It is a happy number.

139231200 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 11 ways as a sum of consecutive naturals, for example, 26607 + ... + 31406.

It is an arithmetic number, because the mean of its divisors is an integer number (6294519).

Almost surely, 2^139231200 is an apocalyptic number.

139231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139231200 is an abundant number, since it is smaller than the sum of its proper divisors (313974168).

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

139231200 is a wasteful number, since it uses less digits than its factorization.

139231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58036 (or 58023 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 139231200 is about 11799.6271127523. The cubic root of 139231200 is about 518.2971913561.

The spelling of 139231200 in words is "one hundred thirty-nine million, two hundred thirty-one thousand, two hundred".