1140171886 has 12 divisors (see below), whose sum is σ = 1989483768. Its totient is φ = 488645052.

The previous prime is 1140171883. The next prime is 1140171953. The reversal of 1140171886 is 6881710411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140171883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5817106 + ... + 5817301.

It is an arithmetic number, because the mean of its divisors is an integer number (165790314).

Almost surely, 2^1140171886 is an apocalyptic number.

1140171886 is a deficient number, since it is larger than the sum of its proper divisors (849311882).

1140171886 is a wasteful number, since it uses less digits than its factorization.

1140171886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11634423 (or 11634416 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 37.

The square root of 1140171886 is about 33766.4313483080. The cubic root of 1140171886 is about 1044.6964270101.

The spelling of 1140171886 in words is "one billion, one hundred forty million, one hundred seventy-one thousand, eight hundred eighty-six".