8117134429 has 2 divisors, whose sum is σ = 8117134430. Its totient is φ = 8117134428.

The previous prime is 8117134393. The next prime is 8117134439. The reversal of 8117134429 is 9244317118.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4263828804 + 3853305625 = 65298^2 + 62075^2 .

It is a cyclic number.

It is not a de Polignac number, because 8117134429 - 2¹¹ = 8117132381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8117134391 and 8117134400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8117134439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4058567214 + 4058567215.

It is an arithmetic number, because the mean of its divisors is an integer number (4058567215).

Almost surely, 2^8117134429 is an apocalyptic number.

It is an amenable number.

8117134429 is a deficient number, since it is larger than the sum of its proper divisors (1).

8117134429 is an equidigital number, since it uses as much as digits as its factorization.

8117134429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 8117134429 is about 90095.1409844060. The cubic root of 8117134429 is about 2009.7139456619.

It can be divided in two parts, 81171 and 34429, that added together give a square (115600 = 340²).

The spelling of 8117134429 in words is "eight billion, one hundred seventeen million, one hundred thirty-four thousand, four hundred twenty-nine".