136032539 has 2 divisors, whose sum is σ = 136032540. Its totient is φ = 136032538.

The previous prime is 136032529. The next prime is 136032551. The reversal of 136032539 is 935230631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136032539 - 2²⁰ = 134983963 is a prime.

It is not a weakly prime, because it can be changed into another prime (136032529) 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, 68016269 + 68016270.

It is an arithmetic number, because the mean of its divisors is an integer number (68016270).

Almost surely, 2^136032539 is an apocalyptic number.

136032539 is a deficient number, since it is larger than the sum of its proper divisors (1).

136032539 is an equidigital number, since it uses as much as digits as its factorization.

136032539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 136032539 is about 11663.2988043692. The cubic root of 136032539 is about 514.2973280630.

The spelling of 136032539 in words is "one hundred thirty-six million, thirty-two thousand, five hundred thirty-nine".