169135 has 4 divisors (see below), whose sum is σ = 202968. Its totient is φ = 135304.

The previous prime is 169129. The next prime is 169151. The reversal of 169135 is 531961.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531961 = 53 ⋅10037.

It is a cyclic number.

It is not a de Polignac number, because 169135 - 2⁷ = 169007 is a prime.

It is a Duffinian number.

169135 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16909 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (50742).

2¹⁶⁹¹³⁵ is an apocalyptic number.

169135 is a deficient number, since it is larger than the sum of its proper divisors (33833).

169135 is an equidigital number, since it uses as much as digits as its factorization.

169135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33832.

The product of its digits is 810, while the sum is 25.

The square root of 169135 is about 411.2602582307. The cubic root of 169135 is about 55.3024658083.

The spelling of 169135 in words is "one hundred sixty-nine thousand, one hundred thirty-five".