8140681334 has 16 divisors (see below), whose sum is σ = 12363463728. Its totient is φ = 4019569152.

The previous prime is 8140681327. The next prime is 8140681337. The reversal of 8140681334 is 4331860418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8140681337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431834 + ... + 450290.

It is an arithmetic number, because the mean of its divisors is an integer number (772716483).

Almost surely, 2^8140681334 is an apocalyptic number.

8140681334 is a deficient number, since it is larger than the sum of its proper divisors (4222782394).

8140681334 is a wasteful number, since it uses less digits than its factorization.

8140681334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21199.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 8140681334 is about 90225.7243473279. The cubic root of 8140681334 is about 2011.6553885125.

The spelling of 8140681334 in words is "eight billion, one hundred forty million, six hundred eighty-one thousand, three hundred thirty-four".