137657712 has 20 divisors (see below), whose sum is σ = 355615880. Its totient is φ = 45885888.

The previous prime is 137657671. The next prime is 137657719. The reversal of 137657712 is 217756731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137657719) 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, 1433887 + ... + 1433982.

It is an arithmetic number, because the mean of its divisors is an integer number (17780794).

Almost surely, 2^137657712 is an apocalyptic number.

137657712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137657712 is an abundant number, since it is smaller than the sum of its proper divisors (217958168).

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

137657712 is a wasteful number, since it uses less digits than its factorization.

137657712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867880 (or 2867874 counting only the distinct ones).

The product of its digits is 61740, while the sum is 39.

The square root of 137657712 is about 11732.7623345911. The cubic root of 137657712 is about 516.3373192511.

The spelling of 137657712 in words is "one hundred thirty-seven million, six hundred fifty-seven thousand, seven hundred twelve".