8671512140 has 48 divisors (see below), whose sum is σ = 18851374080. Its totient is φ = 3346640640.

The previous prime is 8671512137. The next prime is 8671512149. The reversal of 8671512140 is 412151768.

It is a self number, because there is not a number n which added to its sum of digits gives 8671512140.

It is not an unprimeable number, because it can be changed into a prime (8671512149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 977525 + ... + 986355.

It is an arithmetic number, because the mean of its divisors is an integer number (392736960).

Almost surely, 2^8671512140 is an apocalyptic number.

It is an amenable number.

8671512140 is an abundant number, since it is smaller than the sum of its proper divisors (10179861940).

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

8671512140 is a wasteful number, since it uses less digits than its factorization.

8671512140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10562 (or 10560 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 8671512140 is about 93120.9543550752. The cubic root of 8671512140 is about 2054.4627852419.

The spelling of 8671512140 in words is "eight billion, six hundred seventy-one million, five hundred twelve thousand, one hundred forty".