137312464 has 20 divisors (see below), whose sum is σ = 270406180. Its totient is φ = 67530240.

The previous prime is 137312447. The next prime is 137312467. The reversal of 137312464 is 464213731.

It can be written as a sum of positive squares in 2 ways, for example, as 78145600 + 59166864 = 8840^2 + 7692^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137312467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69369 + ... + 71320.

It is an arithmetic number, because the mean of its divisors is an integer number (13520309).

Almost surely, 2^137312464 is an apocalyptic number.

It is an amenable number.

137312464 is a deficient number, since it is larger than the sum of its proper divisors (133093716).

137312464 is a wasteful number, since it uses less digits than its factorization.

137312464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140758 (or 140752 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 137312464 is about 11718.0401091650. The cubic root of 137312464 is about 515.9052968037.

The spelling of 137312464 in words is "one hundred thirty-seven million, three hundred twelve thousand, four hundred sixty-four".