113503156 has 36 divisors (see below), whose sum is σ = 217466116. Its totient is φ = 51528960.

The previous prime is 113503151. The next prime is 113503223. The reversal of 113503156 is 651305311.

It can be written as a sum of positive squares in 2 ways, for example, as 14699556 + 98803600 = 3834^2 + 9940^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113503156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113503151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261916 + ... + 262348.

Almost surely, 2^113503156 is an apocalyptic number.

It is an amenable number.

113503156 is a deficient number, since it is larger than the sum of its proper divisors (103962960).

113503156 is a wasteful number, since it uses less digits than its factorization.

113503156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 113503156 is about 10653.7859937207. The cubic root of 113503156 is about 484.1753172679.

Adding to 113503156 its reverse (651305311), we get a palindrome (764808467).

The spelling of 113503156 in words is "one hundred thirteen million, five hundred three thousand, one hundred fifty-six".