138215202 has 64 divisors (see below), whose sum is σ = 306716544. Its totient is φ = 41333760.

The previous prime is 138215197. The next prime is 138215227. The reversal of 138215202 is 202512831.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199677 + ... + 200367.

It is an arithmetic number, because the mean of its divisors is an integer number (4792446).

Almost surely, 2^138215202 is an apocalyptic number.

138215202 is an abundant number, since it is smaller than the sum of its proper divisors (168501342).

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

138215202 is a wasteful number, since it uses less digits than its factorization.

138215202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 138215202 is about 11756.4961616972. The cubic root of 138215202 is about 517.0334061248.

The spelling of 138215202 in words is "one hundred thirty-eight million, two hundred fifteen thousand, two hundred two".