137877692644 has 24 divisors (see below), whose sum is σ = 242033738688. Its totient is φ = 68725493280.

The previous prime is 137877692633. The next prime is 137877692677. The reversal of 137877692644 is 446296778731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855062 + ... + 1927954.

It is an arithmetic number, because the mean of its divisors is an integer number (10084739112).

Almost surely, 2^137877692644 is an apocalyptic number.

It is an amenable number.

137877692644 is a deficient number, since it is larger than the sum of its proper divisors (104156046044).

137877692644 is a wasteful number, since it uses less digits than its factorization.

137877692644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74355 (or 74353 counting only the distinct ones).

The product of its digits is 85349376, while the sum is 64.

The spelling of 137877692644 in words is "one hundred thirty-seven billion, eight hundred seventy-seven million, six hundred ninety-two thousand, six hundred forty-four".