135775 has 6 divisors (see below), whose sum is σ = 168392. Its totient is φ = 108600.

The previous prime is 135757. The next prime is 135781. The reversal of 135775 is 577531.

135775 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 135775 - 2⁵ = 135743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2691 + ... + 2740.

2¹³⁵⁷⁷⁵ is an apocalyptic number.

135775 is a deficient number, since it is larger than the sum of its proper divisors (32617).

135775 is an equidigital number, since it uses as much as digits as its factorization.

135775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5441 (or 5436 counting only the distinct ones).

The product of its digits is 3675, while the sum is 28.

The square root of 135775 is about 368.4765935579. The cubic root of 135775 is about 51.3972564358.

The spelling of 135775 in words is "one hundred thirty-five thousand, seven hundred seventy-five".