1140105894 has 8 divisors (see below), whose sum is σ = 2280211800. Its totient is φ = 380035296.

The previous prime is 1140105881. The next prime is 1140105899. The reversal of 1140105894 is 4985010411.

It is a sphenic number, since it is the product of 3 distinct primes.

1140105894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140105899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95008819 + ... + 95008830.

It is an arithmetic number, because the mean of its divisors is an integer number (285026475).

Almost surely, 2^1140105894 is an apocalyptic number.

1140105894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1140105894 is a wasteful number, since it uses less digits than its factorization.

1140105894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190017654.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 1140105894 is about 33765.4541506552. The cubic root of 1140105894 is about 1044.6762712957.

The spelling of 1140105894 in words is "one billion, one hundred forty million, one hundred five thousand, eight hundred ninety-four".