105830189 has 2 divisors, whose sum is σ = 105830190. Its totient is φ = 105830188.

The previous prime is 105830161. The next prime is 105830203. The reversal of 105830189 is 981038501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72675625 + 33154564 = 8525^2 + 5758^2 .

It is a cyclic number.

It is not a de Polignac number, because 105830189 - 2²⁴ = 89052973 is a prime.

It is a super-2 number, since 2×105830189² = 22400057807551442, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105832189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52915094 + 52915095.

It is an arithmetic number, because the mean of its divisors is an integer number (52915095).

Almost surely, 2^105830189 is an apocalyptic number.

It is an amenable number.

105830189 is a deficient number, since it is larger than the sum of its proper divisors (1).

105830189 is an equidigital number, since it uses as much as digits as its factorization.

105830189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 105830189 is about 10287.3800843558. The cubic root of 105830189 is about 473.0094934379.

The spelling of 105830189 in words is "one hundred five million, eight hundred thirty thousand, one hundred eighty-nine".