135055 has 4 divisors (see below), whose sum is σ = 162072. Its totient is φ = 108040.

The previous prime is 135049. The next prime is 135059. The reversal of 135055 is 550531.

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

It is a de Polignac number, because none of the positive numbers 2^k-135055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135059) 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, 13501 + ... + 13510.

It is an arithmetic number, because the mean of its divisors is an integer number (40518).

2¹³⁵⁰⁵⁵ is an apocalyptic number.

135055 is a deficient number, since it is larger than the sum of its proper divisors (27017).

135055 is an equidigital number, since it uses as much as digits as its factorization.

135055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27016.

The product of its (nonzero) digits is 375, while the sum is 19.

The square root of 135055 is about 367.4982993158. The cubic root of 135055 is about 51.3062440231.

Adding to 135055 its reverse (550531), we get a palindrome (685586).

The spelling of 135055 in words is "one hundred thirty-five thousand, fifty-five".