11244139 has 4 divisors (see below), whose sum is σ = 11483424. Its totient is φ = 11004856.

The previous prime is 11244137. The next prime is 11244173. The reversal of 11244139 is 93144211.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11244139 - 2¹ = 11244137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11244131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 119572 + ... + 119665.

It is an arithmetic number, because the mean of its divisors is an integer number (2870856).

Almost surely, 2^11244139 is an apocalyptic number.

11244139 is a deficient number, since it is larger than the sum of its proper divisors (239285).

11244139 is an equidigital number, since it uses as much as digits as its factorization.

11244139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239284.

The product of its digits is 864, while the sum is 25.

The square root of 11244139 is about 3353.2281461302. The cubic root of 11244139 is about 224.0313186971.

The spelling of 11244139 in words is "eleven million, two hundred forty-four thousand, one hundred thirty-nine".