11133142 has 4 divisors (see below), whose sum is σ = 16699716. Its totient is φ = 5566570.

The previous prime is 11133137. The next prime is 11133179. The reversal of 11133142 is 24133111.

11133142 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, and also an emirpimes, since its reverse is a distinct semiprime: 24133111 = 599 ⋅40289.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2783284 + ... + 2783287.

It is an arithmetic number, because the mean of its divisors is an integer number (4174929).

Almost surely, 2^11133142 is an apocalyptic number.

11133142 is a deficient number, since it is larger than the sum of its proper divisors (5566574).

11133142 is an equidigital number, since it uses as much as digits as its factorization.

11133142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5566573.

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

The square root of 11133142 is about 3336.6363301984. The cubic root of 11133142 is about 223.2917013559.

Adding to 11133142 its reverse (24133111), we get a palindrome (35266253).

The spelling of 11133142 in words is "eleven million, one hundred thirty-three thousand, one hundred forty-two".