135585559 has 2 divisors, whose sum is σ = 135585560. Its totient is φ = 135585558.

The previous prime is 135585521. The next prime is 135585587. The reversal of 135585559 is 955585531.

It is a happy number.

135585559 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135585559 - 2¹³ = 135577367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135585059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67792779 + 67792780.

It is an arithmetic number, because the mean of its divisors is an integer number (67792780).

Almost surely, 2^135585559 is an apocalyptic number.

135585559 is a deficient number, since it is larger than the sum of its proper divisors (1).

135585559 is an equidigital number, since it uses as much as digits as its factorization.

135585559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 675000, while the sum is 46.

The square root of 135585559 is about 11644.1212205988. The cubic root of 135585559 is about 513.7334118485.

The spelling of 135585559 in words is "one hundred thirty-five million, five hundred eighty-five thousand, five hundred fifty-nine".