137813020 has 12 divisors (see below), whose sum is σ = 289407384. Its totient is φ = 55125200.

The previous prime is 137813009. The next prime is 137813021. The reversal of 137813020 is 20318731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137813021) 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, 3445306 + ... + 3445345.

It is an arithmetic number, because the mean of its divisors is an integer number (24117282).

Almost surely, 2^137813020 is an apocalyptic number.

137813020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

137813020 is an abundant number, since it is smaller than the sum of its proper divisors (151594364).

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

137813020 is a wasteful number, since it uses less digits than its factorization.

137813020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6890660 (or 6890658 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 137813020 is about 11739.3790295739. The cubic root of 137813020 is about 516.5314267378.

The spelling of 137813020 in words is "one hundred thirty-seven million, eight hundred thirteen thousand, twenty".