1140731904 has 208 divisors, whose sum is σ = 3381506912. Its totient is φ = 339738624.

The previous prime is 1140731881. The next prime is 1140731923. The reversal of 1140731904 is 4091370411.

It is a tau number, because it is divible by the number of its divisors (208).

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, 5910432 + ... + 5910624.

Almost surely, 2^1140731904 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 1140731904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690753456).

1140731904 is an abundant number, since it is smaller than the sum of its proper divisors (2240775008).

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

1140731904 is a wasteful number, since it uses less digits than its factorization.

1140731904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 1140731904 is about 33774.7228560058. The cubic root of 1140731904 is about 1044.8674401269.

The spelling of 1140731904 in words is "one billion, one hundred forty million, seven hundred thirty-one thousand, nine hundred four".