113440440133 has 4 divisors (see below), whose sum is σ = 113442282508. Its totient is φ = 113438597760.

The previous prime is 113440440119. The next prime is 113440440151. The reversal of 113440440133 is 331044044311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331044044311 = 107 ⋅3093869573.

It can be written as a sum of positive squares in 2 ways, for example, as 30920408964 + 82520031169 = 175842^2 + 287263^2 .

It is a cyclic number.

It is not a de Polignac number, because 113440440133 - 2²¹ = 113438342981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113440441133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825516 + ... + 953077.

It is an arithmetic number, because the mean of its divisors is an integer number (28360570627).

Almost surely, 2^113440440133 is an apocalyptic number.

It is an amenable number.

113440440133 is a deficient number, since it is larger than the sum of its proper divisors (1842375).

113440440133 is an equidigital number, since it uses as much as digits as its factorization.

113440440133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842374.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 113440440133 its reverse (331044044311), we get a palindrome (444484484444).

The spelling of 113440440133 in words is "one hundred thirteen billion, four hundred forty million, four hundred forty thousand, one hundred thirty-three".