138802914 has 12 divisors (see below), whose sum is σ = 300739686. Its totient is φ = 46267632.

The previous prime is 138802901. The next prime is 138802933. The reversal of 138802914 is 419208831.

138802914 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 85877289 + 52925625 = 9267^2 + 7275^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3855619 + ... + 3855654.

Almost surely, 2^138802914 is an apocalyptic number.

138802914 is an abundant number, since it is smaller than the sum of its proper divisors (161936772).

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

138802914 is a wasteful number, since it uses less digits than its factorization.

138802914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7711281 (or 7711278 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 138802914 is about 11781.4648494998. The cubic root of 138802914 is about 517.7652046813.

The spelling of 138802914 in words is "one hundred thirty-eight million, eight hundred two thousand, nine hundred fourteen".