11443139 has 8 divisors (see below), whose sum is σ = 11903760. Its totient is φ = 10986976.

The previous prime is 11443129. The next prime is 11443151. The reversal of 11443139 is 93134411.

11443139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11443139 - 2¹⁶ = 11377603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11443129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4712 + ... + 6714.

It is an arithmetic number, because the mean of its divisors is an integer number (1487970).

Almost surely, 2^11443139 is an apocalyptic number.

11443139 is a deficient number, since it is larger than the sum of its proper divisors (460621).

11443139 is a wasteful number, since it uses less digits than its factorization.

11443139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229.

The product of its digits is 1296, while the sum is 26.

The square root of 11443139 is about 3382.7709056334. The cubic root of 11443139 is about 225.3452411826.

The spelling of 11443139 in words is "eleven million, four hundred forty-three thousand, one hundred thirty-nine".