138882000625 has 10 divisors (see below), whose sum is σ = 173546948762. Its totient is φ = 111105600000.

The previous prime is 138882000617. The next prime is 138882000641. The reversal of 138882000625 is 526000288831.

It can be written as a sum of positive squares in 5 ways, for example, as 54341204544 + 84540796081 = 233112^2 + 290759^2 .

It is not a de Polignac number, because 138882000625 - 2³ = 138882000617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 111104976 + ... + 111106225.

Almost surely, 2^138882000625 is an apocalyptic number.

It is an amenable number.

138882000625 is a deficient number, since it is larger than the sum of its proper divisors (34664948137).

138882000625 is an frugal number, since it uses more digits than its factorization.

138882000625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222211221 (or 222211206 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 138882000625 in words is "one hundred thirty-eight billion, eight hundred eighty-two million, six hundred twenty-five", and thus it is an aban number.