138722300 has 36 divisors (see below), whose sum is σ = 308037576. Its totient is φ = 54196800.

The previous prime is 138722281. The next prime is 138722317. The reversal of 138722300 is 3227831.

It is a self number, because there is not a number n which added to its sum of digits gives 138722300.

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, 11831 + ... + 20430.

Almost surely, 2^138722300 is an apocalyptic number.

138722300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138722300 is an abundant number, since it is smaller than the sum of its proper divisors (169315276).

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

138722300 is a wasteful number, since it uses less digits than its factorization.

138722300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32318 (or 32311 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 138722300 is about 11778.0431311827. The cubic root of 138722300 is about 517.6649493239.

The spelling of 138722300 in words is "one hundred thirty-eight million, seven hundred twenty-two thousand, three hundred".