1140509179 has 4 divisors (see below), whose sum is σ = 1143298120. Its totient is φ = 1137720240.

The previous prime is 1140509147. The next prime is 1140509221. The reversal of 1140509179 is 9719050411.

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 1140509179 - 2⁵ = 1140509147 is a prime.

It is a super-2 number, since 2×1140509179² = 2601522374766508082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140501179) 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, 1393857 + ... + 1394674.

It is an arithmetic number, because the mean of its divisors is an integer number (285824530).

Almost surely, 2^1140509179 is an apocalyptic number.

1140509179 is a deficient number, since it is larger than the sum of its proper divisors (2788941).

1140509179 is an equidigital number, since it uses as much as digits as its factorization.

1140509179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2788940.

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 1140509179 is about 33771.4254807226. The cubic root of 1140509179 is about 1044.7994331315.

The spelling of 1140509179 in words is "one billion, one hundred forty million, five hundred nine thousand, one hundred seventy-nine".