11433139 has 4 divisors (see below), whose sum is σ = 11930256. Its totient is φ = 10936024.

The previous prime is 11433109. The next prime is 11433143. The reversal of 11433139 is 93133411.

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 11433139 - 2⁷ = 11433011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11433109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248524 + ... + 248569.

It is an arithmetic number, because the mean of its divisors is an integer number (2982564).

Almost surely, 2^11433139 is an apocalyptic number.

11433139 is a deficient number, since it is larger than the sum of its proper divisors (497117).

11433139 is an equidigital number, since it uses as much as digits as its factorization.

11433139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497116.

The product of its digits is 972, while the sum is 25.

The square root of 11433139 is about 3381.2925043539. The cubic root of 11433139 is about 225.2795800282.

The spelling of 11433139 in words is "eleven million, four hundred thirty-three thousand, one hundred thirty-nine".