8135486143 has 2 divisors, whose sum is σ = 8135486144. Its totient is φ = 8135486142.

The previous prime is 8135486129. The next prime is 8135486231. The reversal of 8135486143 is 3416845318.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8135486143 - 2²⁵ = 8101931711 is a prime.

It is a super-2 number, since 2×8135486143² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8135486143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8135486243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4067743071 + 4067743072.

It is an arithmetic number, because the mean of its divisors is an integer number (4067743072).

Almost surely, 2^8135486143 is an apocalyptic number.

8135486143 is a deficient number, since it is larger than the sum of its proper divisors (1).

8135486143 is an equidigital number, since it uses as much as digits as its factorization.

8135486143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The square root of 8135486143 is about 90196.9297869944. The cubic root of 8135486143 is about 2011.2273670931.

The spelling of 8135486143 in words is "eight billion, one hundred thirty-five million, four hundred eighty-six thousand, one hundred forty-three".