137552256065 has 16 divisors (see below), whose sum is σ = 188652868992. Its totient is φ = 94316659584.

The previous prime is 137552255977. The next prime is 137552256067. The reversal of 137552256065 is 560652255731.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-137552256065 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137552256067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664517 + ... + 846573.

It is an arithmetic number, because the mean of its divisors is an integer number (11790804312).

Almost surely, 2^137552256065 is an apocalyptic number.

It is an amenable number.

137552256065 is a deficient number, since it is larger than the sum of its proper divisors (51100612927).

137552256065 is a wasteful number, since it uses less digits than its factorization.

137552256065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203656.

The product of its (nonzero) digits is 1890000, while the sum is 47.

The spelling of 137552256065 in words is "one hundred thirty-seven billion, five hundred fifty-two million, two hundred fifty-six thousand, sixty-five".