137287065931 has 16 divisors (see below), whose sum is σ = 145943028000. Its totient is φ = 128776531968.

The previous prime is 137287065911. The next prime is 137287065973. The reversal of 137287065931 is 139560782731.

It is a cyclic number.

It is not a de Polignac number, because 137287065931 - 2¹⁹ = 137286541643 is a prime.

It is a super-2 number, since 2×137287065931² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137287065901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2064895 + ... + 2130343.

It is an arithmetic number, because the mean of its divisors is an integer number (9121439250).

Almost surely, 2^137287065931 is an apocalyptic number.

137287065931 is a deficient number, since it is larger than the sum of its proper divisors (8655962069).

137287065931 is a wasteful number, since it uses less digits than its factorization.

137287065931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66558.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 137287065931 in words is "one hundred thirty-seven billion, two hundred eighty-seven million, sixty-five thousand, nine hundred thirty-one".