135575 has 24 divisors (see below), whose sum is σ = 200880. Its totient is φ = 89600.

The previous prime is 135571. The next prime is 135581. The reversal of 135575 is 575531.

It is not a de Polignac number, because 135575 - 2² = 135571 is a prime.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4661 + ... + 4689.

It is an arithmetic number, because the mean of its divisors is an integer number (8370).

2¹³⁵⁵⁷⁵ is an apocalyptic number.

135575 is a deficient number, since it is larger than the sum of its proper divisors (65305).

135575 is a wasteful number, since it uses less digits than its factorization.

135575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67 (or 62 counting only the distinct ones).

The product of its digits is 2625, while the sum is 26.

The square root of 135575 is about 368.2051058853. The cubic root of 135575 is about 51.3720075492.

The spelling of 135575 in words is "one hundred thirty-five thousand, five hundred seventy-five".