1140745564 has 48 divisors (see below), whose sum is σ = 2361139200. Its totient is φ = 471905280.

The previous prime is 1140745499. The next prime is 1140745591. The reversal of 1140745564 is 4655470411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388269 + ... + 391195.

It is an arithmetic number, because the mean of its divisors is an integer number (49190400).

Almost surely, 2^1140745564 is an apocalyptic number.

1140745564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140745564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1180569600).

1140745564 is an abundant number, since it is smaller than the sum of its proper divisors (1220393636).

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

1140745564 is a wasteful number, since it uses less digits than its factorization.

1140745564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418 (or 3416 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 1140745564 is about 33774.9250776371. The cubic root of 1140745564 is about 1044.8716107920.

The spelling of 1140745564 in words is "one billion, one hundred forty million, seven hundred forty-five thousand, five hundred sixty-four".