138754044 has 72 divisors (see below), whose sum is σ = 412072752. Its totient is φ = 38810880.

The previous prime is 138754039. The next prime is 138754061. The reversal of 138754044 is 440457831.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8329 + ... + 18624.

Almost surely, 2^138754044 is an apocalyptic number.

It is an amenable number.

138754044 is an abundant number, since it is smaller than the sum of its proper divisors (273318708).

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

138754044 is a wasteful number, since it uses less digits than its factorization.

138754044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26987 (or 26982 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 138754044 is about 11779.3906463790. The cubic root of 138754044 is about 517.7044322883.

The spelling of 138754044 in words is "one hundred thirty-eight million, seven hundred fifty-four thousand, forty-four".