113995109 has 2 divisors, whose sum is σ = 113995110. Its totient is φ = 113995108.

The previous prime is 113995093. The next prime is 113995127. The reversal of 113995109 is 901599311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69772609 + 44222500 = 8353^2 + 6650^2 .

It is an emirp because it is prime and its reverse (901599311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113995109 - 2⁴ = 113995093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113995009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56997554 + 56997555.

It is an arithmetic number, because the mean of its divisors is an integer number (56997555).

Almost surely, 2^113995109 is an apocalyptic number.

It is an amenable number.

113995109 is a deficient number, since it is larger than the sum of its proper divisors (1).

113995109 is an equidigital number, since it uses as much as digits as its factorization.

113995109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10935, while the sum is 38.

The square root of 113995109 is about 10676.8492075144. The cubic root of 113995109 is about 484.8738241229.

The spelling of 113995109 in words is "one hundred thirteen million, nine hundred ninety-five thousand, one hundred nine".