1140871893 has 16 divisors (see below), whose sum is σ = 1749989376. Its totient is φ = 647607600.

The previous prime is 1140871877. The next prime is 1140871939. The reversal of 1140871893 is 3981780411.

It is not a de Polignac number, because 1140871893 - 2⁴ = 1140871877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140871873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176721 + ... + 183062.

It is an arithmetic number, because the mean of its divisors is an integer number (109374336).

Almost surely, 2^1140871893 is an apocalyptic number.

It is an amenable number.

1140871893 is a deficient number, since it is larger than the sum of its proper divisors (609117483).

1140871893 is a wasteful number, since it uses less digits than its factorization.

1140871893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359944.

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 1140871893 is about 33776.7951854524. The cubic root of 1140871893 is about 1044.9101799283.

The spelling of 1140871893 in words is "one billion, one hundred forty million, eight hundred seventy-one thousand, eight hundred ninety-three".