1135812836 has 24 divisors (see below), whose sum is σ = 2058428064. Its totient is φ = 548009280.

The previous prime is 1135812803. The next prime is 1135812871. The reversal of 1135812836 is 6382185311.

It is a self number, because there is not a number n which added to its sum of digits gives 1135812836.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25505 + ... + 54056.

It is an arithmetic number, because the mean of its divisors is an integer number (85767836).

Almost surely, 2^1135812836 is an apocalyptic number.

It is an amenable number.

1135812836 is a deficient number, since it is larger than the sum of its proper divisors (922615228).

1135812836 is a wasteful number, since it uses less digits than its factorization.

1135812836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79691 (or 79689 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 1135812836 is about 33701.8224433042. The cubic root of 1135812836 is about 1043.3633824724.

The spelling of 1135812836 in words is "one billion, one hundred thirty-five million, eight hundred twelve thousand, eight hundred thirty-six".