137638888875 has 32 divisors (see below), whose sum is σ = 254479018560. Its totient is φ = 73407405600.

The previous prime is 137638888823. The next prime is 137638888889. The reversal of 137638888875 is 578888836731.

137638888875 is a `hidden beast` number, since 1 + 376 + 38 + 88 + 88 + 75 = 666.

It is not a de Polignac number, because 137638888875 - 2⁶ = 137638888811 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20387572 + ... + 20394321.

It is an arithmetic number, because the mean of its divisors is an integer number (7952469330).

Almost surely, 2^137638888875 is an apocalyptic number.

137638888875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

137638888875 is a deficient number, since it is larger than the sum of its proper divisors (116840129685).

137638888875 is an equidigital number, since it uses as much as digits as its factorization.

137638888875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40781917 (or 40781901 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 72.

The spelling of 137638888875 in words is "one hundred thirty-seven billion, six hundred thirty-eight million, eight hundred eighty-eight thousand, eight hundred seventy-five".