137349664 has 24 divisors (see below), whose sum is σ = 286314588. Its totient is φ = 64634880.

The previous prime is 137349649. The next prime is 137349673. The reversal of 137349664 is 466943731.

It can be written as a sum of positive squares in 2 ways, for example, as 127690000 + 9659664 = 11300^2 + 3108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 137349664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125697 + ... + 126784.

Almost surely, 2^137349664 is an apocalyptic number.

It is an amenable number.

137349664 is an abundant number, since it is smaller than the sum of its proper divisors (148964924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137349664 is a wasteful number, since it uses less digits than its factorization.

137349664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252508 (or 252500 counting only the distinct ones).

The product of its digits is 326592, while the sum is 43.

The square root of 137349664 is about 11719.6272978282. The cubic root of 137349664 is about 515.9518814172.

The spelling of 137349664 in words is "one hundred thirty-seven million, three hundred forty-nine thousand, six hundred sixty-four".