138901396 has 12 divisors (see below), whose sum is σ = 244933920. Its totient is φ = 68920280.

The previous prime is 138901369. The next prime is 138901409. The reversal of 138901396 is 693109831.

138901396 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 3 ways as a sum of consecutive naturals, for example, 132016 + ... + 133063.

It is an arithmetic number, because the mean of its divisors is an integer number (20411160).

Almost surely, 2^138901396 is an apocalyptic number.

It is an amenable number.

138901396 is a deficient number, since it is larger than the sum of its proper divisors (106032524).

138901396 is a wasteful number, since it uses less digits than its factorization.

138901396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265214 (or 265212 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 138901396 is about 11785.6436396151. The cubic root of 138901396 is about 517.8876288599.

The spelling of 138901396 in words is "one hundred thirty-eight million, nine hundred one thousand, three hundred ninety-six".