8105681135 has 8 divisors (see below), whose sum is σ = 10040585856. Its totient is φ = 6275365920.

The previous prime is 8105681113. The next prime is 8105681191. The reversal of 8105681135 is 5311865018.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8105681135 - 2⁸ = 8105680879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26147204 + ... + 26147513.

It is an arithmetic number, because the mean of its divisors is an integer number (1255073232).

Almost surely, 2^8105681135 is an apocalyptic number.

8105681135 is a deficient number, since it is larger than the sum of its proper divisors (1934904721).

8105681135 is a wasteful number, since it uses less digits than its factorization.

8105681135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52294753.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 8105681135 is about 90031.5563288784. The cubic root of 8105681135 is about 2008.7682638474.

The spelling of 8105681135 in words is "eight billion, one hundred five million, six hundred eighty-one thousand, one hundred thirty-five".