113135225 has 24 divisors (see below), whose sum is σ = 162281280. Its totient is φ = 76633920.

The previous prime is 113135219. The next prime is 113135383. The reversal of 113135225 is 522531311.

It is a happy number.

It is not a de Polignac number, because 113135225 - 2⁶ = 113135161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113135225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10631 + ... + 18419.

It is an arithmetic number, because the mean of its divisors is an integer number (6761720).

Almost surely, 2^113135225 is an apocalyptic number.

It is an amenable number.

113135225 is a deficient number, since it is larger than the sum of its proper divisors (49146055).

113135225 is an equidigital number, since it uses as much as digits as its factorization.

113135225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7889 (or 7884 counting only the distinct ones).

The product of its digits is 900, while the sum is 23.

The square root of 113135225 is about 10636.5043599859. The cubic root of 113135225 is about 483.6515845616.

Adding to 113135225 its reverse (522531311), we get a palindrome (635666536).

The spelling of 113135225 in words is "one hundred thirteen million, one hundred thirty-five thousand, two hundred twenty-five".