137748612 has 24 divisors (see below), whose sum is σ = 321676096. Its totient is φ = 45878688.

The previous prime is 137748601. The next prime is 137748619. The reversal of 137748612 is 216847731.

It is not an unprimeable number, because it can be changed into a prime (137748619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13398 + ... + 21330.

Almost surely, 2^137748612 is an apocalyptic number.

137748612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137748612 is an abundant number, since it is smaller than the sum of its proper divisors (183927484).

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

137748612 is a wasteful number, since it uses less digits than its factorization.

137748612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9387 (or 9385 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 137748612 is about 11736.6354633685. The cubic root of 137748612 is about 516.4509458556.

The spelling of 137748612 in words is "one hundred thirty-seven million, seven hundred forty-eight thousand, six hundred twelve".