137138712 has 32 divisors (see below), whose sum is σ = 343137600. Its totient is φ = 45674144.

The previous prime is 137138671. The next prime is 137138717. The reversal of 137138712 is 217831731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137138717) 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, 47239 + ... + 50057.

It is an arithmetic number, because the mean of its divisors is an integer number (10723050).

Almost surely, 2^137138712 is an apocalyptic number.

137138712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

137138712 is an abundant number, since it is smaller than the sum of its proper divisors (205998888).

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

137138712 is a wasteful number, since it uses less digits than its factorization.

137138712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4855 (or 4851 counting only the distinct ones).

The product of its digits is 7056, while the sum is 33.

The square root of 137138712 is about 11710.6238945668. The cubic root of 137138712 is about 515.6876000985.

The spelling of 137138712 in words is "one hundred thirty-seven million, one hundred thirty-eight thousand, seven hundred twelve".