113402500 has 30 divisors (see below), whose sum is σ = 247994054. Its totient is φ = 45360000.

The previous prime is 113402483. The next prime is 113402503. The reversal of 113402500 is 5204311.

It can be written as a sum of positive squares in 5 ways, for example, as 83612736 + 29789764 = 9144^2 + 5458^2 .

It is not an unprimeable number, because it can be changed into a prime (113402503) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 20181 + ... + 25180.

Almost surely, 2^113402500 is an apocalyptic number.

113402500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113402500 is an abundant number, since it is smaller than the sum of its proper divisors (134591554).

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

113402500 is an equidigital number, since it uses as much as digits as its factorization.

113402500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45385 (or 45368 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 113402500 is about 10649.0609914677. The cubic root of 113402500 is about 484.0321507227.

Adding to 113402500 its reverse (5204311), we get a palindrome (118606811).

The spelling of 113402500 in words is "one hundred thirteen million, four hundred two thousand, five hundred".