8159136 has 24 divisors (see below), whose sum is σ = 21417984. Its totient is φ = 2719680.

The previous prime is 8159131. The next prime is 8159143. The reversal of 8159136 is 6319518.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 8159097 and 8159106.

It is not an unprimeable number, because it can be changed into a prime (8159131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42400 + ... + 42591.

It is an arithmetic number, because the mean of its divisors is an integer number (892416).

Almost surely, 2^8159136 is an apocalyptic number.

It is an amenable number.

8159136 is an abundant number, since it is smaller than the sum of its proper divisors (13258848).

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

8159136 is a wasteful number, since it uses less digits than its factorization.

8159136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85004 (or 84996 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 8159136 is about 2856.4201371647. The cubic root of 8159136 is about 201.3174360892.

The spelling of 8159136 in words is "eight million, one hundred fifty-nine thousand, one hundred thirty-six".