1140718764 has 72 divisors (see below), whose sum is σ = 2839269888. Its totient is φ = 355778720.

The previous prime is 1140718763. The next prime is 1140718783. The reversal of 1140718764 is 4678170411.

It is not an unprimeable number, because it can be changed into a prime (1140718763) 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, 608749 + ... + 610619.

It is an arithmetic number, because the mean of its divisors is an integer number (39434304).

Almost surely, 2^1140718764 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140718764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419634944).

1140718764 is an abundant number, since it is smaller than the sum of its proper divisors (1698551124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140718764 is a wasteful number, since it uses less digits than its factorization.

1140718764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1995 (or 1946 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 1140718764 is about 33774.5283312736. The cubic root of 1140718764 is about 1044.8634281965.

The spelling of 1140718764 in words is "one billion, one hundred forty million, seven hundred eighteen thousand, seven hundred sixty-four".