138148834304 has 88 divisors (see below), whose sum is σ = 298429509840. Its totient is φ = 63541592064.

The previous prime is 138148834273. The next prime is 138148834333. The reversal of 138148834304 is 403438841831.

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, 3882707 + ... + 3918125.

It is an arithmetic number, because the mean of its divisors is an integer number (3391244430).

Almost surely, 2^138148834304 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 138148834304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149214754920).

138148834304 is an abundant number, since it is smaller than the sum of its proper divisors (160280675536).

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

138148834304 is a wasteful number, since it uses less digits than its factorization.

138148834304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35745 (or 35727 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 138148834304 in words is "one hundred thirty-eight billion, one hundred forty-eight million, eight hundred thirty-four thousand, three hundred four".