113135515 has 8 divisors (see below), whose sum is σ = 135974448. Its totient is φ = 90367200.

The previous prime is 113135513. The next prime is 113135521. The reversal of 113135515 is 515531311.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113135515 - 2¹ = 113135513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113135515.

It is not an unprimeable number, because it can be changed into a prime (113135513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14061 + ... + 20590.

It is an arithmetic number, because the mean of its divisors is an integer number (16996806).

Almost surely, 2^113135515 is an apocalyptic number.

113135515 is a deficient number, since it is larger than the sum of its proper divisors (22838933).

113135515 is an equidigital number, since it uses as much as digits as its factorization.

113135515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35309.

The product of its digits is 1125, while the sum is 25.

The square root of 113135515 is about 10636.5179922755. The cubic root of 113135515 is about 483.6519978100.

Adding to 113135515 its reverse (515531311), we get a palindrome (628666826).

It can be divided in two parts, 11 and 3135515, that multiplied together give a triangular number (34490665 = T₈₃₀₅).

The spelling of 113135515 in words is "one hundred thirteen million, one hundred thirty-five thousand, five hundred fifteen".