8031065139 has 16 divisors (see below), whose sum is σ = 11903363200. Its totient is φ = 5351573448.

The previous prime is 8031065129. The next prime is 8031065167. The reversal of 8031065139 is 9315601308.

It is a happy number.

It is not a de Polignac number, because 8031065139 - 2⁴ = 8031065123 is a prime.

It is a super-2 number, since 2×8031065139² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8031065129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8029 + ... + 126990.

It is an arithmetic number, because the mean of its divisors is an integer number (743960200).

Almost surely, 2^8031065139 is an apocalyptic number.

8031065139 is a deficient number, since it is larger than the sum of its proper divisors (3872298061).

8031065139 is a wasteful number, since it uses less digits than its factorization.

8031065139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137231 (or 137225 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 8031065139 is about 89616.2102468075. The cubic root of 8031065139 is about 2002.5854179502.

The spelling of 8031065139 in words is "eight billion, thirty-one million, sixty-five thousand, one hundred thirty-nine".