137664268 has 12 divisors (see below), whose sum is σ = 275328592. Its totient is φ = 58998960.

The previous prime is 137664259. The next prime is 137664271. The reversal of 137664268 is 862466731.

137664268 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 2458263 + ... + 2458318.

Almost surely, 2^137664268 is an apocalyptic number.

It is an amenable number.

137664268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

137664268 is a wasteful number, since it uses less digits than its factorization.

137664268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916592 (or 4916590 counting only the distinct ones).

The product of its digits is 290304, while the sum is 43.

The square root of 137664268 is about 11733.0417198611. The cubic root of 137664268 is about 516.3455160403.

The spelling of 137664268 in words is "one hundred thirty-seven million, six hundred sixty-four thousand, two hundred sixty-eight".