113900065 has 4 divisors (see below), whose sum is σ = 136680084. Its totient is φ = 91120048.

The previous prime is 113900063. The next prime is 113900089. The reversal of 113900065 is 560009311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12475024 + 101425041 = 3532^2 + 10071^2 .

It is a cyclic number.

It is not a de Polignac number, because 113900065 - 2¹ = 113900063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113900063) 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, 11390002 + ... + 11390011.

It is an arithmetic number, because the mean of its divisors is an integer number (34170021).

Almost surely, 2^113900065 is an apocalyptic number.

It is an amenable number.

113900065 is a deficient number, since it is larger than the sum of its proper divisors (22780019).

113900065 is an equidigital number, since it uses as much as digits as its factorization.

113900065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22780018.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 113900065 is about 10672.3973408040. The cubic root of 113900065 is about 484.7390313182.

Adding to 113900065 its reverse (560009311), we get a palindrome (673909376).

The spelling of 113900065 in words is "one hundred thirteen million, nine hundred thousand, sixty-five".