140028717845 has 8 divisors (see below), whose sum is σ = 169665864576. Its totient is φ = 110935372176.

The previous prime is 140028717779. The next prime is 140028717883. The reversal of 140028717845 is 548717820041.

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 140028717845 - 2¹⁸ = 140028455701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140028717845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135949697 + ... + 135950726.

It is an arithmetic number, because the mean of its divisors is an integer number (21208233072).

Almost surely, 2^140028717845 is an apocalyptic number.

It is an amenable number.

140028717845 is a deficient number, since it is larger than the sum of its proper divisors (29637146731).

140028717845 is a wasteful number, since it uses less digits than its factorization.

140028717845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271900531.

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 140028717845 in words is "one hundred forty billion, twenty-eight million, seven hundred seventeen thousand, eight hundred forty-five".