137880185944 has 64 divisors (see below), whose sum is σ = 267515136000. Its totient is φ = 66572668800.

The previous prime is 137880185909. The next prime is 137880185969. The reversal of 137880185944 is 449581088731.

It is a super-2 number, since 2×137880185944² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25384909 + ... + 25390339.

It is an arithmetic number, because the mean of its divisors is an integer number (4179924000).

Almost surely, 2^137880185944 is an apocalyptic number.

It is an amenable number.

137880185944 is a deficient number, since it is larger than the sum of its proper divisors (129634950056).

137880185944 is a wasteful number, since it uses less digits than its factorization.

137880185944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104 (or 6100 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 58.

The spelling of 137880185944 in words is "one hundred thirty-seven billion, eight hundred eighty million, one hundred eighty-five thousand, nine hundred forty-four".