113125538 has 12 divisors (see below), whose sum is σ = 172623750. Its totient is φ = 55600656.

The previous prime is 113125513. The next prime is 113125553. The reversal of 113125538 is 835521311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 92486689 + 20638849 = 9617^2 + 4543^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113125538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1163 + ... + 15086.

Almost surely, 2^113125538 is an apocalyptic number.

113125538 is a deficient number, since it is larger than the sum of its proper divisors (59498212).

113125538 is an equidigital number, since it uses as much as digits as its factorization.

113125538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16369 (or 16310 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 113125538 is about 10636.0489844679. The cubic root of 113125538 is about 483.6377802355.

Adding to 113125538 its reverse (835521311), we get a palindrome (948646849).

The spelling of 113125538 in words is "one hundred thirteen million, one hundred twenty-five thousand, five hundred thirty-eight".