266245133 has 12 divisors (see below), whose sum is σ = 334457760. Its totient is φ = 207463080.

The previous prime is 266245123. The next prime is 266245141. The reversal of 266245133 is 331542662.

It is not a de Polignac number, because 266245133 - 2⁴ = 266245117 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 266245133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266245123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156323 + ... + 158016.

It is an arithmetic number, because the mean of its divisors is an integer number (27871480).

Almost surely, 2^266245133 is an apocalyptic number.

It is an amenable number.

266245133 is a deficient number, since it is larger than the sum of its proper divisors (68212627).

266245133 is a wasteful number, since it uses less digits than its factorization.

266245133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314368 (or 314357 counting only the distinct ones).

The product of its digits is 25920, while the sum is 32.

The square root of 266245133 is about 16317.0197340078. The cubic root of 266245133 is about 643.3202556396.

Adding to 266245133 its reverse (331542662), we get a palindrome (597787795).

The spelling of 266245133 in words is "two hundred sixty-six million, two hundred forty-five thousand, one hundred thirty-three".