113635 has 4 divisors (see below), whose sum is σ = 136368. Its totient is φ = 90904.

The previous prime is 113623. The next prime is 113647. The reversal of 113635 is 536311.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (113623) and next prime (113647).

It is a cyclic number.

It is not a de Polignac number, because 113635 - 2⁹ = 113123 is a prime.

It is a Duffinian number.

113635 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11359 + ... + 11368.

It is an arithmetic number, because the mean of its divisors is an integer number (34092).

2¹¹³⁶³⁵ is an apocalyptic number.

113635 is a deficient number, since it is larger than the sum of its proper divisors (22733).

113635 is an equidigital number, since it uses as much as digits as its factorization.

113635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22732.

The product of its digits is 270, while the sum is 19.

The square root of 113635 is about 337.0979086260. The cubic root of 113635 is about 48.4362715609.

Adding to 113635 its reverse (536311), we get a palindrome (649946).

The spelling of 113635 in words is "one hundred thirteen thousand, six hundred thirty-five".