8135885318 has 16 divisors (see below), whose sum is σ = 13317754320. Its totient is φ = 3696883200.

The previous prime is 8135885273. The next prime is 8135885323.

It is a happy number.

8135885318 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×8135885318² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6098 + ... + 127706.

It is an arithmetic number, because the mean of its divisors is an integer number (832359645).

Almost surely, 2^8135885318 is an apocalyptic number.

8135885318 is a deficient number, since it is larger than the sum of its proper divisors (5181869002).

8135885318 is a wasteful number, since it uses less digits than its factorization.

8135885318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124663.

The product of its digits is 921600, while the sum is 50.

The square root of 8135885318 is about 90199.1425569002. The cubic root of 8135885318 is about 2011.2602607862.

The spelling of 8135885318 in words is "eight billion, one hundred thirty-five million, eight hundred eighty-five thousand, three hundred eighteen".