113540133 has 16 divisors (see below), whose sum is σ = 178980480. Its totient is φ = 62642496.

The previous prime is 113540123. The next prime is 113540171. The reversal of 113540133 is 331045311.

It is not a de Polignac number, because 113540133 - 2⁶ = 113540069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113540113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92610 + ... + 93827.

It is an arithmetic number, because the mean of its divisors is an integer number (11186280).

Almost surely, 2^113540133 is an apocalyptic number.

It is an amenable number.

113540133 is a deficient number, since it is larger than the sum of its proper divisors (65440347).

113540133 is a wasteful number, since it uses less digits than its factorization.

113540133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186476.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 113540133 is about 10655.5212448758. The cubic root of 113540133 is about 484.2278896882.

Adding to 113540133 its reverse (331045311), we get a palindrome (444585444).

The spelling of 113540133 in words is "one hundred thirteen million, five hundred forty thousand, one hundred thirty-three".