137508812 has 24 divisors (see below), whose sum is σ = 286976256. Its totient is φ = 56369808.

The previous prime is 137508781. The next prime is 137508817. The reversal of 137508812 is 218805731.

It is not an unprimeable number, because it can be changed into a prime (137508817) 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 7 ways as a sum of consecutive naturals, for example, 106118 + ... + 107405.

It is an arithmetic number, because the mean of its divisors is an integer number (11957344).

Almost surely, 2^137508812 is an apocalyptic number.

It is an amenable number.

137508812 is an abundant number, since it is smaller than the sum of its proper divisors (149467444).

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

137508812 is a wasteful number, since it uses less digits than its factorization.

137508812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213557 (or 213555 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 137508812 is about 11726.4151384812. The cubic root of 137508812 is about 516.1510834955.

The spelling of 137508812 in words is "one hundred thirty-seven million, five hundred eight thousand, eight hundred twelve".