140424320312221 has 16 divisors (see below), whose sum is σ = 162342031863168. Its totient is φ = 120044945203200.

The previous prime is 140424320312207. The next prime is 140424320312231. The reversal of 140424320312221 is 122213023424041.

It is a cyclic number.

It is not a de Polignac number, because 140424320312221 - 2⁵ = 140424320312189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140424320312231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325427145 + ... + 325858366.

It is an arithmetic number, because the mean of its divisors is an integer number (10146376991448).

Almost surely, 2^{140424320312221} is an apocalyptic number.

140424320312221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140424320312221 is a deficient number, since it is larger than the sum of its proper divisors (21917711550947).

140424320312221 is a wasteful number, since it uses less digits than its factorization.

140424320312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651286692.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140424320312221 its reverse (122213023424041), we get a palindrome (262637343736262).

The spelling of 140424320312221 in words is "one hundred forty trillion, four hundred twenty-four billion, three hundred twenty million, three hundred twelve thousand, two hundred twenty-one".