113444513 has 16 divisors (see below), whose sum is σ = 141017856. Its totient is φ = 88862400.

The previous prime is 113444501. The next prime is 113444543. The reversal of 113444513 is 315444311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 113444513 - 2¹⁴ = 113428129 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (113444543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3020 + ... + 15362.

It is an arithmetic number, because the mean of its divisors is an integer number (8813616).

Almost surely, 2^113444513 is an apocalyptic number.

113444513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

113444513 is a deficient number, since it is larger than the sum of its proper divisors (27573343).

113444513 is a wasteful number, since it uses less digits than its factorization.

113444513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12464.

The product of its digits is 2880, while the sum is 26.

The square root of 113444513 is about 10651.0334240392. The cubic root of 113444513 is about 484.0919175766.

Adding to 113444513 its reverse (315444311), we get a palindrome (428888824).

The spelling of 113444513 in words is "one hundred thirteen million, four hundred forty-four thousand, five hundred thirteen".