137648672 has 24 divisors (see below), whose sum is σ = 309710016. Its totient is φ = 58992192.

The previous prime is 137648659. The next prime is 137648681. The reversal of 137648672 is 276846731.

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, 307028 + ... + 307475.

It is an arithmetic number, because the mean of its divisors is an integer number (12904584).

Almost surely, 2^137648672 is an apocalyptic number.

It is an amenable number.

137648672 is an abundant number, since it is smaller than the sum of its proper divisors (172061344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

137648672 is an equidigital number, since it uses as much as digits as its factorization.

137648672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614520 (or 614512 counting only the distinct ones).

The product of its digits is 338688, while the sum is 44.

The square root of 137648672 is about 11732.3770822455. The cubic root of 137648672 is about 516.3260163572.

The spelling of 137648672 in words is "one hundred thirty-seven million, six hundred forty-eight thousand, six hundred seventy-two".