8136034821 has 64 divisors (see below), whose sum is σ = 13072000000. Its totient is φ = 4983840576.

The previous prime is 8136034813. The next prime is 8136034843. The reversal of 8136034821 is 1284306318.

8136034821 is a `hidden beast` number, since 8 + 1 + 3 + 603 + 48 + 2 + 1 = 666.

It is not a de Polignac number, because 8136034821 - 2³ = 8136034813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8136034871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9471090 + ... + 9471948.

It is an arithmetic number, because the mean of its divisors is an integer number (204250000).

Almost surely, 2^8136034821 is an apocalyptic number.

It is an amenable number.

8136034821 is a deficient number, since it is larger than the sum of its proper divisors (4935965179).

8136034821 is a wasteful number, since it uses less digits than its factorization.

8136034821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423 (or 1417 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 8136034821 is about 90199.9712915697. The cubic root of 8136034821 is about 2011.2725801831.

The spelling of 8136034821 in words is "eight billion, one hundred thirty-six million, thirty-four thousand, eight hundred twenty-one".