2240135 has 4 divisors (see below), whose sum is σ = 2688168. Its totient is φ = 1792104.

The previous prime is 2240113. The next prime is 2240137. The reversal of 2240135 is 5310422.

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

It is a cyclic number.

It is not a de Polignac number, because 2240135 - 2⁶ = 2240071 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 (2240137) 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, 224009 + ... + 224018.

It is an arithmetic number, because the mean of its divisors is an integer number (672042).

2^2240135 is an apocalyptic number.

2240135 is a deficient number, since it is larger than the sum of its proper divisors (448033).

2240135 is an equidigital number, since it uses as much as digits as its factorization.

2240135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448032.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2240135 is about 1496.7080543646. The cubic root of 2240135 is about 130.8452808902.

Adding to 2240135 its reverse (5310422), we get a palindrome (7550557).

The spelling of 2240135 in words is "two million, two hundred forty thousand, one hundred thirty-five".