113440113 has 12 divisors (see below), whose sum is σ = 168287028. Its totient is φ = 73582560.

The previous prime is 113440111. The next prime is 113440123. The reversal of 113440113 is 311044311.

113440113 is a `hidden beast` number, since 113 + 440 + 113 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97061904 + 16378209 = 9852^2 + 4047^2 .

It is not a de Polignac number, because 113440113 - 2¹ = 113440111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113440111) 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, 169998 + ... + 170663.

It is an arithmetic number, because the mean of its divisors is an integer number (14023919).

Almost surely, 2^113440113 is an apocalyptic number.

It is an amenable number.

113440113 is a deficient number, since it is larger than the sum of its proper divisors (54846915).

113440113 is a wasteful number, since it uses less digits than its factorization.

113440113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340704 (or 340701 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 113440113 is about 10650.8268693093. The cubic root of 113440113 is about 484.0856589164.

Adding to 113440113 its reverse (311044311), we get a palindrome (424484424).

The spelling of 113440113 in words is "one hundred thirteen million, four hundred forty thousand, one hundred thirteen".