11448139 has 2 divisors, whose sum is σ = 11448140. Its totient is φ = 11448138.

The previous prime is 11448109. The next prime is 11448167. The reversal of 11448139 is 93184411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11448139 - 2⁹ = 11447627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11448139.

It is not a weakly prime, because it can be changed into another prime (11448109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5724069 + 5724070.

It is an arithmetic number, because the mean of its divisors is an integer number (5724070).

Almost surely, 2^11448139 is an apocalyptic number.

11448139 is a deficient number, since it is larger than the sum of its proper divisors (1).

11448139 is an equidigital number, since it uses as much as digits as its factorization.

11448139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 11448139 is about 3383.5098640317. The cubic root of 11448139 is about 225.3780574154.

The spelling of 11448139 in words is "eleven million, four hundred forty-eight thousand, one hundred thirty-nine".