266135 has 16 divisors (see below), whose sum is σ = 352512. Its totient is φ = 192000.

The previous prime is 266129. The next prime is 266137. The reversal of 266135 is 531662.

It is a de Polignac number, because none of the positive numbers 2^k-266135 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 266135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2585 + ... + 2685.

It is an arithmetic number, because the mean of its divisors is an integer number (22032).

2²⁶⁶¹³⁵ is an apocalyptic number.

266135 is a deficient number, since it is larger than the sum of its proper divisors (86377).

266135 is a wasteful number, since it uses less digits than its factorization.

266135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154.

The product of its digits is 1080, while the sum is 23.

The square root of 266135 is about 515.8827386141. The cubic root of 266135 is about 64.3231539700.

Adding to 266135 its reverse (531662), we get a palindrome (797797).

The spelling of 266135 in words is "two hundred sixty-six thousand, one hundred thirty-five".