137386768 has 20 divisors (see below), whose sum is σ = 266470668. Its totient is φ = 68620160.

The previous prime is 137386747. The next prime is 137386771. The reversal of 137386768 is 867683731.

It can be written as a sum of positive squares in 2 ways, for example, as 75481344 + 61905424 = 8688^2 + 7868^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12930 + ... + 21022.

Almost surely, 2^137386768 is an apocalyptic number.

It is an amenable number.

137386768 is a deficient number, since it is larger than the sum of its proper divisors (129083900).

137386768 is a wasteful number, since it uses less digits than its factorization.

137386768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9162 (or 9156 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 137386768 is about 11721.2101764280. The cubic root of 137386768 is about 515.9983374343.

The spelling of 137386768 in words is "one hundred thirty-seven million, three hundred eighty-six thousand, seven hundred sixty-eight".