137387850 has 24 divisors (see below), whose sum is σ = 340722240. Its totient is φ = 36636720.

The previous prime is 137387849. The next prime is 137387857. The reversal of 137387850 is 58783731.

It is not an unprimeable number, because it can be changed into a prime (137387857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457810 + ... + 458109.

It is an arithmetic number, because the mean of its divisors is an integer number (14196760).

Almost surely, 2^137387850 is an apocalyptic number.

137387850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137387850 is an abundant number, since it is smaller than the sum of its proper divisors (203334390).

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

137387850 is a wasteful number, since it uses less digits than its factorization.

137387850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915934 (or 915929 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 137387850 is about 11721.2563319808. The cubic root of 137387850 is about 515.9996920255. Note that the first 3 decimals are identical.

The spelling of 137387850 in words is "one hundred thirty-seven million, three hundred eighty-seven thousand, eight hundred fifty".