240812133 has 16 divisors (see below), whose sum is σ = 325839360. Its totient is φ = 158174064.

The previous prime is 240812113. The next prime is 240812141. The reversal of 240812133 is 331218042.

It is not a de Polignac number, because 240812133 - 2⁶ = 240812069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240812113) 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, 108210 + ... + 110412.

It is an arithmetic number, because the mean of its divisors is an integer number (20364960).

Almost surely, 2^240812133 is an apocalyptic number.

It is an amenable number.

240812133 is a deficient number, since it is larger than the sum of its proper divisors (85027227).

240812133 is a wasteful number, since it uses less digits than its factorization.

240812133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 240812133 is about 15518.1227279591. The cubic root of 240812133 is about 622.1466803569.

It can be divided in two parts, 2408 and 12133, that added together give a palindrome (14541).

The spelling of 240812133 in words is "two hundred forty million, eight hundred twelve thousand, one hundred thirty-three".