11142133 has 4 divisors (see below), whose sum is σ = 11213260. Its totient is φ = 11071008.

The previous prime is 11142107. The next prime is 11142181. The reversal of 11142133 is 33124111.

11142133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1912689 + 9229444 = 1383^2 + 3038^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142133 - 2⁹ = 11141621 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11148133) 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, 35328 + ... + 35641.

It is an arithmetic number, because the mean of its divisors is an integer number (2803315).

Almost surely, 2^11142133 is an apocalyptic number.

It is an amenable number.

11142133 is a deficient number, since it is larger than the sum of its proper divisors (71127).

11142133 is an equidigital number, since it uses as much as digits as its factorization.

11142133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71126.

The product of its digits is 72, while the sum is 16.

The square root of 11142133 is about 3337.9833732360. The cubic root of 11142133 is about 223.3517944691.

Adding to 11142133 its reverse (33124111), we get a palindrome (44266244).

The spelling of 11142133 in words is "eleven million, one hundred forty-two thousand, one hundred thirty-three".