140663842905 has 8 divisors (see below), whose sum is σ = 225062148672. Its totient is φ = 75020716208.

The previous prime is 140663842903. The next prime is 140663842939. The reversal of 140663842905 is 509248366041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140663842905 - 2¹ = 140663842903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140663842901) 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, 4688794749 + ... + 4688794778.

It is an arithmetic number, because the mean of its divisors is an integer number (28132768584).

Almost surely, 2^140663842905 is an apocalyptic number.

140663842905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

140663842905 is a deficient number, since it is larger than the sum of its proper divisors (84398305767).

140663842905 is an equidigital number, since it uses as much as digits as its factorization.

140663842905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9377589535.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 140663842905 in words is "one hundred forty billion, six hundred sixty-three million, eight hundred forty-two thousand, nine hundred five".