136574539 has 2 divisors, whose sum is σ = 136574540. Its totient is φ = 136574538.

The previous prime is 136574533. The next prime is 136574569. The reversal of 136574539 is 935475631.

136574539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136574539 - 2³ = 136574531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136574495 and 136574504.

It is not a weakly prime, because it can be changed into another prime (136574531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68287269 + 68287270.

It is an arithmetic number, because the mean of its divisors is an integer number (68287270).

Almost surely, 2^136574539 is an apocalyptic number.

136574539 is a deficient number, since it is larger than the sum of its proper divisors (1).

136574539 is an equidigital number, since it uses as much as digits as its factorization.

136574539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 43.

The square root of 136574539 is about 11686.5109848919. The cubic root of 136574539 is about 514.9794681858.

The spelling of 136574539 in words is "one hundred thirty-six million, five hundred seventy-four thousand, five hundred thirty-nine".