11440133 has 4 divisors (see below), whose sum is σ = 12113100. Its totient is φ = 10767168.

The previous prime is 11440127. The next prime is 11440151. The reversal of 11440133 is 33104411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8773444 + 2666689 = 2962^2 + 1633^2 .

It is a cyclic number.

It is not a de Polignac number, because 11440133 - 2¹⁴ = 11423749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 672949 = 11440133 / (1 + 1 + 4 + 4 + 0 + 1 + 3 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11446133) 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, 336458 + ... + 336491.

It is an arithmetic number, because the mean of its divisors is an integer number (3028275).

Almost surely, 2^11440133 is an apocalyptic number.

It is an amenable number.

11440133 is a deficient number, since it is larger than the sum of its proper divisors (672967).

11440133 is an equidigital number, since it uses as much as digits as its factorization.

11440133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672966.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 11440133 is about 3382.3265661376. The cubic root of 11440133 is about 225.3255074621.

Adding to 11440133 its reverse (33104411), we get a palindrome (44544544).

The spelling of 11440133 in words is "eleven million, four hundred forty thousand, one hundred thirty-three".