8069140439 has 8 divisors (see below), whose sum is σ = 8420872320. Its totient is φ = 7717483576.

The previous prime is 8069140421. The next prime is 8069140459. The reversal of 8069140439 is 9340419608.

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

It is a cyclic number.

It is not a de Polignac number, because 8069140439 - 2¹⁶ = 8069074903 is a prime.

It is a super-2 number, since 2×8069140439² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8069140439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8069140459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405644 + ... + 425070.

It is an arithmetic number, because the mean of its divisors is an integer number (1052609040).

Almost surely, 2^8069140439 is an apocalyptic number.

8069140439 is a deficient number, since it is larger than the sum of its proper divisors (351731881).

8069140439 is a wasteful number, since it uses less digits than its factorization.

8069140439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37509.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 8069140439 is about 89828.3943917512. The cubic root of 8069140439 is about 2005.7451838784.

The spelling of 8069140439 in words is "eight billion, sixty-nine million, one hundred forty thousand, four hundred thirty-nine".