260135 has 4 divisors (see below), whose sum is σ = 312168. Its totient is φ = 208104.

The previous prime is 260111. The next prime is 260137. The reversal of 260135 is 531062.

260135 is nontrivially palindromic in base 15.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260135 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 (260137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26009 + ... + 26018.

It is an arithmetic number, because the mean of its divisors is an integer number (78042).

2²⁶⁰¹³⁵ is an apocalyptic number.

260135 is a deficient number, since it is larger than the sum of its proper divisors (52033).

260135 is an equidigital number, since it uses as much as digits as its factorization.

260135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52032.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 260135 is about 510.0343125712. The cubic root of 260135 is about 63.8360877193.

Adding to 260135 its reverse (531062), we get a palindrome (791197).

The spelling of 260135 in words is "two hundred sixty thousand, one hundred thirty-five".