113636243 has 8 divisors (see below), whose sum is σ = 132520800. Its totient is φ = 97402200.

The previous prime is 113636227. The next prime is 113636267. The reversal of 113636243 is 342636311.

It is not a de Polignac number, because 113636243 - 2⁴ = 113636227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113630243) 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, 165308 + ... + 165993.

It is an arithmetic number, because the mean of its divisors is an integer number (16565100).

Almost surely, 2^113636243 is an apocalyptic number.

113636243 is a deficient number, since it is larger than the sum of its proper divisors (18884557).

113636243 is an frugal number, since it uses more digits than its factorization.

113636243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331322 (or 331308 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 113636243 is about 10660.0301594320. The cubic root of 113636243 is about 484.3644816752.

The spelling of 113636243 in words is "one hundred thirteen million, six hundred thirty-six thousand, two hundred forty-three".