105159389 has 2 divisors, whose sum is σ = 105159390. Its totient is φ = 105159388.

The previous prime is 105159343. The next prime is 105159403. The reversal of 105159389 is 983951501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101707225 + 3452164 = 10085^2 + 1858^2 .

It is a cyclic number.

It is not a de Polignac number, because 105159389 - 2²⁰ = 104110813 is a prime.

It is a super-2 number, since 2×105159389² = 22116994189706642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105159689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52579694 + 52579695.

It is an arithmetic number, because the mean of its divisors is an integer number (52579695).

Almost surely, 2^105159389 is an apocalyptic number.

It is an amenable number.

105159389 is a deficient number, since it is larger than the sum of its proper divisors (1).

105159389 is an equidigital number, since it uses as much as digits as its factorization.

105159389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48600, while the sum is 41.

The square root of 105159389 is about 10254.7252035342. The cubic root of 105159389 is about 472.0079911627.

The spelling of 105159389 in words is "one hundred five million, one hundred fifty-nine thousand, three hundred eighty-nine".