138392796 has 12 divisors (see below), whose sum is σ = 322916552. Its totient is φ = 46130928.

The previous prime is 138392783. The next prime is 138392803. The reversal of 138392796 is 697293831.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5766355 + ... + 5766378.

Almost surely, 2^138392796 is an apocalyptic number.

It is an amenable number.

138392796 is an abundant number, since it is smaller than the sum of its proper divisors (184523756).

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

138392796 is a wasteful number, since it uses less digits than its factorization.

138392796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11532740 (or 11532738 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 138392796 is about 11764.0467527123. The cubic root of 138392796 is about 517.2547583586.

The spelling of 138392796 in words is "one hundred thirty-eight million, three hundred ninety-two thousand, seven hundred ninety-six".