240133 has 4 divisors (see below), whose sum is σ = 241120. Its totient is φ = 239148.

The previous prime is 240131. The next prime is 240139. The reversal of 240133 is 331042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 240133 - 2¹ = 240131 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 (240131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166 + ... + 712.

It is an arithmetic number, because the mean of its divisors is an integer number (60280).

2²⁴⁰¹³³ is an apocalyptic number.

It is an amenable number.

240133 is a deficient number, since it is larger than the sum of its proper divisors (987).

240133 is an equidigital number, since it uses as much as digits as its factorization.

240133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 240133 is about 490.0336723124. The cubic root of 240133 is about 62.1561274971.

Adding to 240133 its reverse (331042), we get a palindrome (571175).

Subtracting 240133 from its reverse (331042), we obtain a palindrome (90909).

It can be divided in two parts, 240 and 133, that added together give a palindrome (373).

The spelling of 240133 in words is "two hundred forty thousand, one hundred thirty-three".