137915500 has 48 divisors (see below), whose sum is σ = 304301088. Its totient is φ = 54600000.

The previous prime is 137915467. The next prime is 137915501. The reversal of 137915500 is 5519731.

It is not an unprimeable number, because it can be changed into a prime (137915501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49135 + ... + 51865.

It is an arithmetic number, because the mean of its divisors is an integer number (6339606).

Almost surely, 2^137915500 is an apocalyptic number.

137915500 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 137915500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152150544).

137915500 is an abundant number, since it is smaller than the sum of its proper divisors (166385588).

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

137915500 is a wasteful number, since it uses less digits than its factorization.

137915500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2851 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 4725, while the sum is 31.

The square root of 137915500 is about 11743.7430148995. The cubic root of 137915500 is about 516.6594287343.

It can be divided in two parts, 13791 and 5500, that added together give a palindrome (19291).

The spelling of 137915500 in words is "one hundred thirty-seven million, nine hundred fifteen thousand, five hundred".