1140665013 has 24 divisors (see below), whose sum is σ = 1736317440. Its totient is φ = 720165600.

The previous prime is 1140665003. The next prime is 1140665021. The reversal of 1140665013 is 3105660411.

1140665013 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 6 + 650 + 1 + 3 = 666.

It is not a de Polignac number, because 1140665013 - 2²⁵ = 1107110581 is a prime.

It is a super-2 number, since 2×1140665013² = 2602233343764580338, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140665003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6373 + ... + 48186.

It is an arithmetic number, because the mean of its divisors is an integer number (72346560).

Almost surely, 2^1140665013 is an apocalyptic number.

It is an amenable number.

1140665013 is a deficient number, since it is larger than the sum of its proper divisors (595652427).

1140665013 is a wasteful number, since it uses less digits than its factorization.

1140665013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54689 (or 54686 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1140665013 is about 33773.7325890995. The cubic root of 1140665013 is about 1044.8470165159.

The spelling of 1140665013 in words is "one billion, one hundred forty million, six hundred sixty-five thousand, thirteen".