105189113 has 4 divisors (see below), whose sum is σ = 108032100. Its totient is φ = 102346128.

The previous prime is 105189109. The next prime is 105189163. The reversal of 105189113 is 311981501.

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 54878464 + 50310649 = 7408^2 + 7093^2 .

It is a cyclic number.

It is not a de Polignac number, because 105189113 - 2² = 105189109 is a prime.

It is a super-2 number, since 2×105189113² = 22129498987453538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105189103) 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, 1421438 + ... + 1421511.

It is an arithmetic number, because the mean of its divisors is an integer number (27008025).

Almost surely, 2^105189113 is an apocalyptic number.

It is an amenable number.

105189113 is a deficient number, since it is larger than the sum of its proper divisors (2842987).

105189113 is an equidigital number, since it uses as much as digits as its factorization.

105189113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842986.

The product of its (nonzero) digits is 1080, while the sum is 29.

The square root of 105189113 is about 10256.1743842429. The cubic root of 105189113 is about 472.0524590382.

The spelling of 105189113 in words is "one hundred five million, one hundred eighty-nine thousand, one hundred thirteen".