137599662889 has 12 divisors (see below), whose sum is σ = 157413725644. Its totient is φ = 119543595264.

The previous prime is 137599662857. The next prime is 137599662901. The reversal of 137599662889 is 988266995731.

It can be written as a sum of positive squares in 6 ways, for example, as 9215040025 + 128384622864 = 95995^2 + 358308^2 .

It is not a de Polignac number, because 137599662889 - 2⁵ = 137599662857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137599662839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18308682 + ... + 18316195.

Almost surely, 2^137599662889 is an apocalyptic number.

It is an amenable number.

137599662889 is a deficient number, since it is larger than the sum of its proper divisors (19814062755).

137599662889 is a wasteful number, since it uses less digits than its factorization.

137599662889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36624924 (or 36624907 counting only the distinct ones).

The product of its digits is 352719360, while the sum is 73.

The spelling of 137599662889 in words is "one hundred thirty-seven billion, five hundred ninety-nine million, six hundred sixty-two thousand, eight hundred eighty-nine".