140220422321 has 4 divisors (see below), whose sum is σ = 160251911232. Its totient is φ = 120188933412.

The previous prime is 140220422317. The next prime is 140220422339. The reversal of 140220422321 is 123224022041.

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 140220422321 - 2² = 140220422317 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140220422621) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10015744445 + ... + 10015744458.

It is an arithmetic number, because the mean of its divisors is an integer number (40062977808).

Almost surely, 2^140220422321 is an apocalyptic number.

It is an amenable number.

140220422321 is a deficient number, since it is larger than the sum of its proper divisors (20031488911).

140220422321 is an equidigital number, since it uses as much as digits as its factorization.

140220422321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20031488910.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 140220422321 its reverse (123224022041), we get a palindrome (263444444362).

The spelling of 140220422321 in words is "one hundred forty billion, two hundred twenty million, four hundred twenty-two thousand, three hundred twenty-one".