565741139 has 2 divisors, whose sum is σ = 565741140. Its totient is φ = 565741138.

The previous prime is 565741123. The next prime is 565741157. The reversal of 565741139 is 931147565.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 565741139 - 2⁴ = 565741123 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 565741096 and 565741105.

It is not a weakly prime, because it can be changed into another prime (565741159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282870569 + 282870570.

It is an arithmetic number, because the mean of its divisors is an integer number (282870570).

Almost surely, 2^565741139 is an apocalyptic number.

565741139 is a deficient number, since it is larger than the sum of its proper divisors (1).

565741139 is an equidigital number, since it uses as much as digits as its factorization.

565741139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 41.

The square root of 565741139 is about 23785.3135148562. The cubic root of 565741139 is about 827.0642589875.

The spelling of 565741139 in words is "five hundred sixty-five million, seven hundred forty-one thousand, one hundred thirty-nine".