1135863768 has 32 divisors (see below), whose sum is σ = 3058095600. Its totient is φ = 349496448.

The previous prime is 1135863749. The next prime is 1135863769. The reversal of 1135863768 is 8673685311.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135863769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1819983 + ... + 1820606.

Almost surely, 2^1135863768 is an apocalyptic number.

It is an amenable number.

1135863768 is an abundant number, since it is smaller than the sum of its proper divisors (1922231832).

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

1135863768 is a wasteful number, since it uses less digits than its factorization.

1135863768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640611 (or 3640607 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 1135863768 is about 33702.5780616261. The cubic root of 1135863768 is about 1043.3789777030.

The spelling of 1135863768 in words is "one billion, one hundred thirty-five million, eight hundred sixty-three thousand, seven hundred sixty-eight".