11436142 has 4 divisors (see below), whose sum is σ = 17154216. Its totient is φ = 5718070.

The previous prime is 11436137. The next prime is 11436167. The reversal of 11436142 is 24163411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24163411 = 89 ⋅271499.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2859034 + ... + 2859037.

It is an arithmetic number, because the mean of its divisors is an integer number (4288554).

Almost surely, 2^11436142 is an apocalyptic number.

11436142 is a deficient number, since it is larger than the sum of its proper divisors (5718074).

11436142 is an equidigital number, since it uses as much as digits as its factorization.

11436142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718073.

The product of its digits is 576, while the sum is 22.

The square root of 11436142 is about 3381.7365361601. The cubic root of 11436142 is about 225.2993020939.

Adding to 11436142 its reverse (24163411), we get a palindrome (35599553).

The spelling of 11436142 in words is "eleven million, four hundred thirty-six thousand, one hundred forty-two".