1140091884 has 72 divisors (see below), whose sum is σ = 3040331840. Its totient is φ = 359227872.

The previous prime is 1140091873. The next prime is 1140091889. The reversal of 1140091884 is 4881900411.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1140091889) 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, 356139 + ... + 359325.

Almost surely, 2^1140091884 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 1140091884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520165920).

1140091884 is an abundant number, since it is smaller than the sum of its proper divisors (1900239956).

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

1140091884 is a wasteful number, since it uses less digits than its factorization.

1140091884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3739 (or 3734 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 1140091884 is about 33765.2466894587. The cubic root of 1140091884 is about 1044.6719921685.

The spelling of 1140091884 in words is "one billion, one hundred forty million, ninety-one thousand, eight hundred eighty-four".