138433317396 has 24 divisors (see below), whose sum is σ = 352375717344. Its totient is φ = 41949490080.

The previous prime is 138433317391. The next prime is 138433317397. The reversal of 138433317396 is 693713334831.

It is a happy number.

138433317396 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138433317391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524368495 + ... + 524368758.

It is an arithmetic number, because the mean of its divisors is an integer number (14682321556).

Almost surely, 2^138433317396 is an apocalyptic number.

It is an amenable number.

138433317396 is an abundant number, since it is smaller than the sum of its proper divisors (213942399948).

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

138433317396 is a wasteful number, since it uses less digits than its factorization.

138433317396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048737271 (or 1048737269 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 51.

The spelling of 138433317396 in words is "one hundred thirty-eight billion, four hundred thirty-three million, three hundred seventeen thousand, three hundred ninety-six".