135159 has 4 divisors (see below), whose sum is σ = 180216. Its totient is φ = 90104.

The previous prime is 135151. The next prime is 135173. The reversal of 135159 is 951531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135159 - 2³ = 135151 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22524 + ... + 22529.

It is an arithmetic number, because the mean of its divisors is an integer number (45054).

2¹³⁵¹⁵⁹ is an apocalyptic number.

135159 is a deficient number, since it is larger than the sum of its proper divisors (45057).

135159 is an equidigital number, since it uses as much as digits as its factorization.

135159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45056.

The product of its digits is 675, while the sum is 24.

The square root of 135159 is about 367.6397693395. The cubic root of 135159 is about 51.3194102155.

The spelling of 135159 in words is "one hundred thirty-five thousand, one hundred fifty-nine".