8130408439 has 8 divisors (see below), whose sum is σ = 8198587728. Its totient is φ = 8062357440.

The previous prime is 8130408413. The next prime is 8130408463. The reversal of 8130408439 is 9348040318.

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 8130408439 - 2⁷ = 8130408311 is a prime.

It is a super-2 number, since 2×8130408439² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8130408469) 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, 97384 + ... + 160450.

It is an arithmetic number, because the mean of its divisors is an integer number (1024823466).

Almost surely, 2^8130408439 is an apocalyptic number.

8130408439 is a deficient number, since it is larger than the sum of its proper divisors (68179289).

8130408439 is a wasteful number, since it uses less digits than its factorization.

8130408439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64145.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 8130408439 is about 90168.7775174977. Note that the first 3 decimals coincide. The cubic root of 8130408439 is about 2010.8088490733.

The spelling of 8130408439 in words is "eight billion, one hundred thirty million, four hundred eight thousand, four hundred thirty-nine".