1136665636 has 12 divisors (see below), whose sum is σ = 2011515660. Its totient is φ = 561946880.

The previous prime is 1136665619. The next prime is 1136665657. The reversal of 1136665636 is 6365666311.

It can be written as a sum of positive squares in 2 ways, for example, as 103428900 + 1033236736 = 10170^2 + 32144^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1136665592 and 1136665601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1596085 + ... + 1596796.

It is an arithmetic number, because the mean of its divisors is an integer number (167626305).

Almost surely, 2^1136665636 is an apocalyptic number.

It is an amenable number.

1136665636 is a deficient number, since it is larger than the sum of its proper divisors (874850024).

1136665636 is a wasteful number, since it uses less digits than its factorization.

1136665636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3192974 (or 3192972 counting only the distinct ones).

The product of its digits is 349920, while the sum is 43.

The square root of 1136665636 is about 33714.4722040847. The cubic root of 1136665636 is about 1043.6244459347.

The spelling of 1136665636 in words is "one billion, one hundred thirty-six million, six hundred sixty-five thousand, six hundred thirty-six".