138825044328 has 64 divisors (see below), whose sum is σ = 355444306560. Its totient is φ = 45170528256.

The previous prime is 138825044317. The next prime is 138825044359. The reversal of 138825044328 is 823440528831.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238500 + ... + 578387.

It is an arithmetic number, because the mean of its divisors is an integer number (5553817290).

Almost surely, 2^138825044328 is an apocalyptic number.

It is an amenable number.

138825044328 is an abundant number, since it is smaller than the sum of its proper divisors (216619262232).

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

138825044328 is a wasteful number, since it uses less digits than its factorization.

138825044328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817066 (or 817062 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 138825044328 in words is "one hundred thirty-eight billion, eight hundred twenty-five million, forty-four thousand, three hundred twenty-eight".