8068434136 has 64 divisors (see below), whose sum is σ = 17613273600. Its totient is φ = 3393750528.

The previous prime is 8068434131. The next prime is 8068434217. The reversal of 8068434136 is 6314348608.

It is a junction number, because it is equal to n+sod(n) for n = 8068434092 and 8068434101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8068434131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645595 + ... + 657973.

It is an arithmetic number, because the mean of its divisors is an integer number (275207400).

Almost surely, 2^8068434136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8068434136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8806636800).

8068434136 is an abundant number, since it is smaller than the sum of its proper divisors (9544839464).

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

8068434136 is a wasteful number, since it uses less digits than its factorization.

8068434136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12608 (or 12604 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 8068434136 is about 89824.4629040441. The cubic root of 8068434136 is about 2005.6866602894.

The spelling of 8068434136 in words is "eight billion, sixty-eight million, four hundred thirty-four thousand, one hundred thirty-six".