8105681136 has 60 divisors (see below), whose sum is σ = 24358405992. Its totient is φ = 2315908224.

The previous prime is 8105681113. The next prime is 8105681191. The reversal of 8105681136 is 6311865018.

It is a junction number, because it is equal to n+sod(n) for n = 8105681094 and 8105681103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1720795 + ... + 1725498.

Almost surely, 2^8105681136 is an apocalyptic number.

It is an amenable number.

8105681136 is an abundant number, since it is smaller than the sum of its proper divisors (16252724856).

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

8105681136 is a wasteful number, since it uses less digits than its factorization.

8105681136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446318 (or 3446305 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 8105681136 is about 90031.5563344320. The cubic root of 8105681136 is about 2008.7682639300.

The spelling of 8105681136 in words is "eight billion, one hundred five million, six hundred eighty-one thousand, one hundred thirty-six".