8719142136 has 64 divisors (see below), whose sum is σ = 21983270400. Its totient is φ = 2881756800.

The previous prime is 8719142051. The next prime is 8719142183. The reversal of 8719142136 is 6312419178.

It is a happy number.

8719142136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 1556701 + ... + 1562291.

It is an arithmetic number, because the mean of its divisors is an integer number (343488600).

Almost surely, 2^8719142136 is an apocalyptic number.

It is an amenable number.

8719142136 is an abundant number, since it is smaller than the sum of its proper divisors (13264128264).

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

8719142136 is a wasteful number, since it uses less digits than its factorization.

8719142136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6140 (or 6136 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 8719142136 is about 93376.3467694041. The cubic root of 8719142136 is about 2058.2174336609.

The spelling of 8719142136 in words is "eight billion, seven hundred nineteen million, one hundred forty-two thousand, one hundred thirty-six".