137506850 has 36 divisors (see below), whose sum is σ = 276967206. Its totient is φ = 50768640.

The previous prime is 137506843. The next prime is 137506861. The reversal of 137506850 is 58605731.

It can be written as a sum of positive squares in 9 ways, for example, as 3433609 + 134073241 = 1853^2 + 11579^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 137506850.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 314 + ... + 16586.

Almost surely, 2^137506850 is an apocalyptic number.

137506850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

137506850 is an abundant number, since it is smaller than the sum of its proper divisors (139460356).

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

137506850 is a wasteful number, since it uses less digits than its factorization.

137506850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16311 (or 16293 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 137506850 is about 11726.3314809023. The cubic root of 137506850 is about 516.1486286389.

The spelling of 137506850 in words is "one hundred thirty-seven million, five hundred six thousand, eight hundred fifty".