1140443313 has 8 divisors (see below), whose sum is σ = 1521622368. Its totient is φ = 759779904.

The previous prime is 1140443309. The next prime is 1140443333. The reversal of 1140443313 is 3133440411.

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

It is not a de Polignac number, because 1140443313 - 2² = 1140443309 is a prime.

It is a super-2 number, since 2×1140443313² = 2601221900332831938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1140443333) 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, 123720 + ... + 132617.

It is an arithmetic number, because the mean of its divisors is an integer number (190202796).

Almost surely, 2^1140443313 is an apocalyptic number.

It is an amenable number.

1140443313 is a deficient number, since it is larger than the sum of its proper divisors (381179055).

1140443313 is a wasteful number, since it uses less digits than its factorization.

1140443313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257823.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1140443313 is about 33770.4502931187. The cubic root of 1140443313 is about 1044.7793198682.

Adding to 1140443313 its reverse (3133440411), we get a palindrome (4273883724).

The spelling of 1140443313 in words is "one billion, one hundred forty million, four hundred forty-three thousand, three hundred thirteen".