137648944 has 20 divisors (see below), whose sum is σ = 267846696. Its totient is φ = 68527232.

The previous prime is 137648869. The next prime is 137648957. The reversal of 137648944 is 449846731.

It is a junction number, because it is equal to n+sod(n) for n = 137648894 and 137648903.

It is a congruent number.

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, 14734 + ... + 22189.

Almost surely, 2^137648944 is an apocalyptic number.

It is an amenable number.

137648944 is a deficient number, since it is larger than the sum of its proper divisors (130197752).

137648944 is a wasteful number, since it uses less digits than its factorization.

137648944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37164 (or 37158 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The square root of 137648944 is about 11732.3886740936. The cubic root of 137648944 is about 516.3263564515.

The spelling of 137648944 in words is "one hundred thirty-seven million, six hundred forty-eight thousand, nine hundred forty-four".