8315134439 has 2 divisors, whose sum is σ = 8315134440. Its totient is φ = 8315134438.

The previous prime is 8315134411. The next prime is 8315134511. The reversal of 8315134439 is 9344315138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8315134439 - 2³² = 4020167143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8315134396 and 8315134405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8315134039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4157567219 + 4157567220.

It is an arithmetic number, because the mean of its divisors is an integer number (4157567220).

Almost surely, 2^8315134439 is an apocalyptic number.

8315134439 is a deficient number, since it is larger than the sum of its proper divisors (1).

8315134439 is an equidigital number, since it uses as much as digits as its factorization.

8315134439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 41.

The square root of 8315134439 is about 91187.3589868683. The cubic root of 8315134439 is about 2025.9237315073.

The spelling of 8315134439 in words is "eight billion, three hundred fifteen million, one hundred thirty-four thousand, four hundred thirty-nine".