1140481863 has 28 divisors (see below), whose sum is σ = 1726039368. Its totient is φ = 753163920.

The previous prime is 1140481829. The next prime is 1140481883. The reversal of 1140481863 is 3681840411.

It is a happy number.

1140481863 is a `hidden beast` number, since 114 + 0 + 481 + 8 + 63 = 666.

It is not a de Polignac number, because 1140481863 - 2⁸ = 1140481607 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140481813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 70693 + ... + 85313.

Almost surely, 2^1140481863 is an apocalyptic number.

1140481863 is a deficient number, since it is larger than the sum of its proper divisors (585557505).

1140481863 is an equidigital number, since it uses as much as digits as its factorization.

1140481863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14746 (or 14731 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1140481863 is about 33771.0210535601. The cubic root of 1140481863 is about 1044.7910918369.

The spelling of 1140481863 in words is "one billion, one hundred forty million, four hundred eighty-one thousand, eight hundred sixty-three".