8136108388 has 12 divisors (see below), whose sum is σ = 14585462892. Its totient is φ = 3968833280.

The previous prime is 8136108371. The next prime is 8136108403. The reversal of 8136108388 is 8838016318.

It can be written as a sum of positive squares in 2 ways, for example, as 2157416704 + 5978691684 = 46448^2 + 77322^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24805045 + ... + 24805372.

It is an arithmetic number, because the mean of its divisors is an integer number (1215455241).

Almost surely, 2^8136108388 is an apocalyptic number.

It is an amenable number.

8136108388 is a deficient number, since it is larger than the sum of its proper divisors (6449354504).

8136108388 is a wasteful number, since it uses less digits than its factorization.

8136108388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49610462 (or 49610460 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 8136108388 is about 90200.3790901125. The cubic root of 8136108388 is about 2011.2786422206.

The spelling of 8136108388 in words is "eight billion, one hundred thirty-six million, one hundred eight thousand, three hundred eighty-eight".