135959539 has 2 divisors, whose sum is σ = 135959540. Its totient is φ = 135959538.

The previous prime is 135959531. The next prime is 135959563. The reversal of 135959539 is 935959531.

135959539 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 135959539 - 2³ = 135959531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 135959492 and 135959501.

It is not a weakly prime, because it can be changed into another prime (135959531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67979769 + 67979770.

It is an arithmetic number, because the mean of its divisors is an integer number (67979770).

Almost surely, 2^135959539 is an apocalyptic number.

135959539 is a deficient number, since it is larger than the sum of its proper divisors (1).

135959539 is an equidigital number, since it uses as much as digits as its factorization.

135959539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 820125, while the sum is 49.

The square root of 135959539 is about 11660.1689095827. The cubic root of 135959539 is about 514.2053147280.

The spelling of 135959539 in words is "one hundred thirty-five million, nine hundred fifty-nine thousand, five hundred thirty-nine".