140666540140 has 24 divisors (see below), whose sum is σ = 337599696672. Its totient is φ = 48228528000.

The previous prime is 140666540117. The next prime is 140666540191. The reversal of 140666540140 is 41045666041.

It is a self number, because there is not a number n which added to its sum of digits gives 140666540140.

It is an unprimeable number.

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, 502380361 + ... + 502380640.

It is an arithmetic number, because the mean of its divisors is an integer number (14066654028).

Almost surely, 2^140666540140 is an apocalyptic number.

140666540140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140666540140 is an abundant number, since it is smaller than the sum of its proper divisors (196933156532).

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

140666540140 is a wasteful number, since it uses less digits than its factorization.

140666540140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004761017 (or 1004761015 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 140666540140 in words is "one hundred forty billion, six hundred sixty-six million, five hundred forty thousand, one hundred forty".