1140140784 has 40 divisors (see below), whose sum is σ = 2973972352. Its totient is φ = 376355520.

The previous prime is 1140140783. The next prime is 1140140803. The reversal of 1140140784 is 4870410411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140140783) 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, 110362 + ... + 120249.

Almost surely, 2^1140140784 is an apocalyptic number.

It is an amenable number.

1140140784 is an abundant number, since it is smaller than the sum of its proper divisors (1833831568).

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

1140140784 is a wasteful number, since it uses less digits than its factorization.

1140140784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230725 (or 230719 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1140140784 is about 33765.9707990160. The cubic root of 1140140784 is about 1044.6869277279.

The spelling of 1140140784 in words is "one billion, one hundred forty million, one hundred forty thousand, seven hundred eighty-four".