140105114352221 has 4 divisors (see below), whose sum is σ = 147479067739200. Its totient is φ = 132731160965244.

The previous prime is 140105114352209. The next prime is 140105114352227. The reversal of 140105114352221 is 122253411501041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140105114352221 - 2¹⁸ = 140105114090077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140105114352227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686976693461 + ... + 3686976693498.

It is an arithmetic number, because the mean of its divisors is an integer number (36869766934800).

Almost surely, 2^{140105114352221} is an apocalyptic number.

It is an amenable number.

140105114352221 is a deficient number, since it is larger than the sum of its proper divisors (7373953386979).

140105114352221 is an equidigital number, since it uses as much as digits as its factorization.

140105114352221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373953386978.

The product of its (nonzero) digits is 9600, while the sum is 32.

Adding to 140105114352221 its reverse (122253411501041), we get a palindrome (262358525853262).

The spelling of 140105114352221 in words is "one hundred forty trillion, one hundred five billion, one hundred fourteen million, three hundred fifty-two thousand, two hundred twenty-one".