135559 has 2 divisors, whose sum is σ = 135560. Its totient is φ = 135558.

The previous prime is 135533. The next prime is 135571. The reversal of 135559 is 955531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135559 - 2⁷ = 135431 is a prime.

135559 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67779 + 67780.

It is an arithmetic number, because the mean of its divisors is an integer number (67780).

2¹³⁵⁵⁵⁹ is an apocalyptic number.

135559 is a deficient number, since it is larger than the sum of its proper divisors (1).

135559 is an equidigital number, since it uses as much as digits as its factorization.

135559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3375, while the sum is 28.

The square root of 135559 is about 368.1833782234. The cubic root of 135559 is about 51.3699865659.

Subtracting from 135559 its sum of digits (28), we obtain a palindrome (135531).

The spelling of 135559 in words is "one hundred thirty-five thousand, five hundred fifty-nine".