137745868 has 12 divisors (see below), whose sum is σ = 259598080. Its totient is φ = 63574992.

The previous prime is 137745859. The next prime is 137745889. The reversal of 137745868 is 868547731.

It is a happy number.

137745868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

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, 1324428 + ... + 1324531.

Almost surely, 2^137745868 is an apocalyptic number.

It is an amenable number.

137745868 is a deficient number, since it is larger than the sum of its proper divisors (121852212).

137745868 is a wasteful number, since it uses less digits than its factorization.

137745868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648976 (or 2648974 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 49.

The square root of 137745868 is about 11736.5185638672. The cubic root of 137745868 is about 516.4475165390.

The spelling of 137745868 in words is "one hundred thirty-seven million, seven hundred forty-five thousand, eight hundred sixty-eight".