140068140 has 48 divisors (see below), whose sum is σ = 394195200. Its totient is φ = 37160640.

The previous prime is 140068129. The next prime is 140068141. The reversal of 140068140 is 41860041.

It is a self number, because there is not a number n which added to its sum of digits gives 140068140.

It is not an unprimeable number, because it can be changed into a prime (140068141) 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 15 ways as a sum of consecutive naturals, for example, 6075 + ... + 17805.

It is an arithmetic number, because the mean of its divisors is an integer number (8212400).

Almost surely, 2^140068140 is an apocalyptic number.

140068140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140068140 is an abundant number, since it is smaller than the sum of its proper divisors (254127060).

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

140068140 is a wasteful number, since it uses less digits than its factorization.

140068140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11942 (or 11940 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 140068140 is about 11835.0386564641. The cubic root of 140068140 is about 519.3336385568. Note that the first 3 decimals are identical.

The spelling of 140068140 in words is "one hundred forty million, sixty-eight thousand, one hundred forty".