137515666897 has 16 divisors (see below), whose sum is σ = 164489352192. Its totient is φ = 112405098960.

The previous prime is 137515666879. The next prime is 137515666949. The reversal of 137515666897 is 798666515731.

It is not a de Polignac number, because 137515666897 - 2²⁷ = 137381449169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137515666867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1236943 + ... + 1343524.

It is an arithmetic number, because the mean of its divisors is an integer number (10280584512).

Almost surely, 2^137515666897 is an apocalyptic number.

It is an amenable number.

137515666897 is a deficient number, since it is larger than the sum of its proper divisors (26973685295).

137515666897 is a wasteful number, since it uses less digits than its factorization.

137515666897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580828.

The product of its digits is 57153600, while the sum is 64.

The spelling of 137515666897 in words is "one hundred thirty-seven billion, five hundred fifteen million, six hundred sixty-six thousand, eight hundred ninety-seven".