138875137625 has 16 divisors (see below), whose sum is σ = 198075626112. Its totient is φ = 95228665200.

The previous prime is 138875137613. The next prime is 138875137673. The reversal of 138875137625 is 526731578831.

It is not a de Polignac number, because 138875137625 - 2⁶ = 138875137561 is a prime.

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, 79356347 + ... + 79358096.

It is an arithmetic number, because the mean of its divisors is an integer number (12379726632).

Almost surely, 2^138875137625 is an apocalyptic number.

It is an amenable number.

138875137625 is a deficient number, since it is larger than the sum of its proper divisors (59200488487).

138875137625 is an equidigital number, since it uses as much as digits as its factorization.

138875137625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158714465 (or 158714455 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 56.

The spelling of 138875137625 in words is "one hundred thirty-eight billion, eight hundred seventy-five million, one hundred thirty-seven thousand, six hundred twenty-five".