137512638875 has 8 divisors (see below), whose sum is σ = 171615773472. Its totient is φ = 110010111000.

The previous prime is 137512638853. The next prime is 137512638877. The reversal of 137512638875 is 578836215731.

It is not a de Polignac number, because 137512638875 - 2⁶ = 137512638811 is a prime.

It is a super-2 number, since 2×137512638875² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 137512638875.

It is not an unprimeable number, because it can be changed into a prime (137512638877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550050431 + ... + 550050680.

It is an arithmetic number, because the mean of its divisors is an integer number (21451971684).

Almost surely, 2^137512638875 is an apocalyptic number.

137512638875 is a deficient number, since it is larger than the sum of its proper divisors (34103134597).

137512638875 is an equidigital number, since it uses as much as digits as its factorization.

137512638875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100101126 (or 1100101116 counting only the distinct ones).

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

The spelling of 137512638875 in words is "one hundred thirty-seven billion, five hundred twelve million, six hundred thirty-eight thousand, eight hundred seventy-five".