1140943104 has 144 divisors (see below), whose sum is σ = 3856128640. Its totient is φ = 325969920.

The previous prime is 1140943073. The next prime is 1140943109. The reversal of 1140943104 is 4013490411.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1140943109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36594 + ... + 60174.

Almost surely, 2^1140943104 is an apocalyptic number.

1140943104 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 1140943104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1928064320).

1140943104 is an abundant number, since it is smaller than the sum of its proper divisors (2715185536).

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

1140943104 is an equidigital number, since it uses as much as digits as its factorization.

1140943104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23613 (or 23593 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1140943104 is about 33777.8493098658. The cubic root of 1140943104 is about 1044.9319198950.

The spelling of 1140943104 in words is "one billion, one hundred forty million, nine hundred forty-three thousand, one hundred four".