137512500 has 144 divisors (see below), whose sum is σ = 424347840. Its totient is φ = 34560000.

The previous prime is 137512499. The next prime is 137512511. The reversal of 137512500 is 5215731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 712404 + ... + 712596.

It is an arithmetic number, because the mean of its divisors is an integer number (2946860).

Almost surely, 2^137512500 is an apocalyptic number.

137512500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 137512500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212173920).

137512500 is an abundant number, since it is smaller than the sum of its proper divisors (286835340).

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

137512500 is a wasteful number, since it uses less digits than its factorization.

137512500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 137512500 is about 11726.5723892363. The cubic root of 137512500 is about 516.1556978621.

The spelling of 137512500 in words is "one hundred thirty-seven million, five hundred twelve thousand, five hundred".