137648044 has 12 divisors (see below), whose sum is σ = 243368104. Its totient is φ = 68114304.

The previous prime is 137648041. The next prime is 137648047. The reversal of 137648044 is 440846731.

It is an interprime number because it is at equal distance from previous prime (137648041) and next prime (137648047).

It is a junction number, because it is equal to n+sod(n) for n = 137647994 and 137648012.

It is not an unprimeable number, because it can be changed into a prime (137648041) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 176994 + ... + 177769.

Almost surely, 2^137648044 is an apocalyptic number.

It is an amenable number.

137648044 is a deficient number, since it is larger than the sum of its proper divisors (105720060).

137648044 is a wasteful number, since it uses less digits than its factorization.

137648044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354864 (or 354862 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 137648044 is about 11732.3503186702. The cubic root of 137648044 is about 516.3252311378.

The spelling of 137648044 in words is "one hundred thirty-seven million, six hundred forty-eight thousand, forty-four".