140105855881 has 8 divisors (see below), whose sum is σ = 140225956640. Its totient is φ = 139985800128.

The previous prime is 140105855839. The next prime is 140105855887. The reversal of 140105855881 is 188558501041.

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 140105855881 - 2⁷ = 140105855753 is a prime.

It is a super-2 number, since 2×140105855881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140105855887) 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, 9199585 + ... + 9214801.

It is an arithmetic number, because the mean of its divisors is an integer number (17528244580).

Almost surely, 2^140105855881 is an apocalyptic number.

It is an amenable number.

140105855881 is a deficient number, since it is larger than the sum of its proper divisors (120100759).

140105855881 is a wasteful number, since it uses less digits than its factorization.

140105855881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22503.

The product of its (nonzero) digits is 256000, while the sum is 46.

The spelling of 140105855881 in words is "one hundred forty billion, one hundred five million, eight hundred fifty-five thousand, eight hundred eighty-one".