11042139 has 8 divisors (see below), whose sum is σ = 15363072. Its totient is φ = 7041320.

The previous prime is 11042137. The next prime is 11042149. The reversal of 11042139 is 93124011.

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 11042139 - 2¹ = 11042137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11042131) 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, 79947 + ... + 80084.

It is an arithmetic number, because the mean of its divisors is an integer number (1920384).

Almost surely, 2^11042139 is an apocalyptic number.

11042139 is a deficient number, since it is larger than the sum of its proper divisors (4320933).

11042139 is a wasteful number, since it uses less digits than its factorization.

11042139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160057.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 11042139 is about 3322.9714112523. The cubic root of 11042139 is about 222.6816359692.

The spelling of 11042139 in words is "eleven million, forty-two thousand, one hundred thirty-nine".