138376344 has 16 divisors (see below), whose sum is σ = 345940920. Its totient is φ = 46125440.

The previous prime is 138376333. The next prime is 138376351. The reversal of 138376344 is 443673831.

138376344 is digitally balanced in base 2 and base 3, because in such bases 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, 2882817 + ... + 2882864.

Almost surely, 2^138376344 is an apocalyptic number.

It is an amenable number.

138376344 is an abundant number, since it is smaller than the sum of its proper divisors (207564576).

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

138376344 is a wasteful number, since it uses less digits than its factorization.

138376344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5765690 (or 5765686 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 138376344 is about 11763.3474827534. The cubic root of 138376344 is about 517.2342606334.

The spelling of 138376344 in words is "one hundred thirty-eight million, three hundred seventy-six thousand, three hundred forty-four".