11443138 has 16 divisors (see below), whose sum is σ = 20147904. Its totient is φ = 4771440.

The previous prime is 11443129. The next prime is 11443151. The reversal of 11443138 is 83134411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10528 + ... + 11563.

It is an arithmetic number, because the mean of its divisors is an integer number (1259244).

Almost surely, 2^11443138 is an apocalyptic number.

11443138 is a deficient number, since it is larger than the sum of its proper divisors (8704766).

11443138 is a wasteful number, since it uses less digits than its factorization.

11443138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22137.

The product of its digits is 1152, while the sum is 25.

The square root of 11443138 is about 3382.7707578256. The cubic root of 11443138 is about 225.3452346184.

Adding to 11443138 its reverse (83134411), we get a palindrome (94577549).

The spelling of 11443138 in words is "eleven million, four hundred forty-three thousand, one hundred thirty-eight".