1140815613 has 16 divisors (see below), whose sum is σ = 1829880320. Its totient is φ = 617584176.

The previous prime is 1140815581. The next prime is 1140815629. The reversal of 1140815613 is 3165180411.

It is not a de Polignac number, because 1140815613 - 2⁵ = 1140815581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140815113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1429195 + ... + 1429992.

It is an arithmetic number, because the mean of its divisors is an integer number (114367520).

Almost surely, 2^1140815613 is an apocalyptic number.

It is an amenable number.

1140815613 is a deficient number, since it is larger than the sum of its proper divisors (689064707).

1140815613 is a wasteful number, since it uses less digits than its factorization.

1140815613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859216.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1140815613 is about 33775.9620588371. The cubic root of 1140815613 is about 1044.8929975983.

The spelling of 1140815613 in words is "one billion, one hundred forty million, eight hundred fifteen thousand, six hundred thirteen".