140808068 has 24 divisors (see below), whose sum is σ = 251679960. Its totient is φ = 68906240.

The previous prime is 140808067. The next prime is 140808091. The reversal of 140808068 is 860808041.

140808068 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 45589504 + 95218564 = 6752^2 + 9758^2 .

It is not an unprimeable number, because it can be changed into a prime (140808061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171098 + ... + 171918.

It is an arithmetic number, because the mean of its divisors is an integer number (10486665).

Almost surely, 2^140808068 is an apocalyptic number.

It is an amenable number.

140808068 is a deficient number, since it is larger than the sum of its proper divisors (110871892).

140808068 is a wasteful number, since it uses less digits than its factorization.

140808068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 140808068 is about 11866.2575397637. The cubic root of 140808068 is about 520.2465152665.

The spelling of 140808068 in words is "one hundred forty million, eight hundred eight thousand, sixty-eight".