113133204 has 18 divisors (see below), whose sum is σ = 285975690. Its totient is φ = 37711056.

The previous prime is 113133203. The next prime is 113133253. The reversal of 113133204 is 402331311.

It can be written as a sum of positive squares in only one way, i.e., 110250000 + 2883204 = 10500^2 + 1698^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113133203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1571259 + ... + 1571330.

Almost surely, 2^113133204 is an apocalyptic number.

It is an amenable number.

113133204 is an abundant number, since it is smaller than the sum of its proper divisors (172842486).

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

113133204 is a wasteful number, since it uses less digits than its factorization.

113133204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142599 (or 3142594 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 113133204 is about 10636.4093565451. The cubic root of 113133204 is about 483.6487046284.

Adding to 113133204 its reverse (402331311), we get a palindrome (515464515).

The spelling of 113133204 in words is "one hundred thirteen million, one hundred thirty-three thousand, two hundred four".