8134711440 has 80 divisors (see below), whose sum is σ = 25226808000. Its totient is φ = 2168464896.

The previous prime is 8134711421. The next prime is 8134711441. The reversal of 8134711440 is 441174318.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (8134711441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 979626 + ... + 987894.

It is an arithmetic number, because the mean of its divisors is an integer number (315335100).

Almost surely, 2^8134711440 is an apocalyptic number.

8134711440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8134711440 is an abundant number, since it is smaller than the sum of its proper divisors (17092096560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8134711440 is a wasteful number, since it uses less digits than its factorization.

8134711440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12384 (or 12378 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 8134711440 is about 90192.6351760497. The cubic root of 8134711440 is about 2011.1635252481.

Adding to 8134711440 its reverse (441174318), we get a palindrome (8575885758).

The spelling of 8134711440 in words is "eight billion, one hundred thirty-four million, seven hundred eleven thousand, four hundred forty".