138594048 has 72 divisors (see below), whose sum is σ = 372359568. Its totient is φ = 45760512.

The previous prime is 138594017. The next prime is 138594061. The reversal of 138594048 is 840495831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85986 + ... + 87582.

Almost surely, 2^138594048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 138594048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186179784).

138594048 is an abundant number, since it is smaller than the sum of its proper divisors (233765520).

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

138594048 is a wasteful number, since it uses less digits than its factorization.

138594048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729 (or 1715 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 138594048 is about 11772.5973344883. The cubic root of 138594048 is about 517.5053690311.

The spelling of 138594048 in words is "one hundred thirty-eight million, five hundred ninety-four thousand, forty-eight".