137648632 has 48 divisors (see below), whose sum is σ = 289147320. Its totient is φ = 61364160.

The previous prime is 137648627. The next prime is 137648657. The reversal of 137648632 is 236846731.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 49963 + ... + 52645.

Almost surely, 2^137648632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137648632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144573660).

137648632 is an abundant number, since it is smaller than the sum of its proper divisors (151498688).

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

137648632 is a wasteful number, since it uses less digits than its factorization.

137648632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764 (or 2749 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 137648632 is about 11732.3753775610. The cubic root of 137648632 is about 516.3259663433.

The spelling of 137648632 in words is "one hundred thirty-seven million, six hundred forty-eight thousand, six hundred thirty-two".