140105239466 has 12 divisors (see below), whose sum is σ = 217654574982. Its totient is φ = 67637011344.

The previous prime is 140105239447. The next prime is 140105239481. The reversal of 140105239466 is 664932501041.

140105239466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 115793881225 + 24311358241 = 340285^2 + 155921^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41646725 + ... + 41650088.

Almost surely, 2^140105239466 is an apocalyptic number.

140105239466 is a deficient number, since it is larger than the sum of its proper divisors (77549335516).

140105239466 is an equidigital number, since it uses as much as digits as its factorization.

140105239466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83296873 (or 83296844 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 140105239466 in words is "one hundred forty billion, one hundred five million, two hundred thirty-nine thousand, four hundred sixty-six".