8000133839 has 4 divisors (see below), whose sum is σ = 8000410656. Its totient is φ = 7999857024.

The previous prime is 8000133803. The next prime is 8000133859. The reversal of 8000133839 is 9383310008.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8000133839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8000133799 and 8000133808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8000133859) 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, 89234 + ... + 154799.

It is an arithmetic number, because the mean of its divisors is an integer number (2000102664).

Almost surely, 2^8000133839 is an apocalyptic number.

8000133839 is a deficient number, since it is larger than the sum of its proper divisors (276817).

8000133839 is a wasteful number, since it uses less digits than its factorization.

8000133839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276816.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 8000133839 is about 89443.4672796175. The cubic root of 8000133839 is about 2000.0111531878.

The spelling of 8000133839 in words is "eight billion, one hundred thirty-three thousand, eight hundred thirty-nine".