140410221321 has 8 divisors (see below), whose sum is σ = 189850440384. Its totient is φ = 92288408240.

The previous prime is 140410221283. The next prime is 140410221361. The reversal of 140410221321 is 123122014041.

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 140410221321 - 2⁶ = 140410221257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140410221361) 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, 329601246 + ... + 329601671.

It is an arithmetic number, because the mean of its divisors is an integer number (23731305048).

Almost surely, 2^140410221321 is an apocalyptic number.

It is an amenable number.

140410221321 is a deficient number, since it is larger than the sum of its proper divisors (49440219063).

140410221321 is an equidigital number, since it uses as much as digits as its factorization.

140410221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659202991.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 140410221321 its reverse (123122014041), we get a palindrome (263532235362).

The spelling of 140410221321 in words is "one hundred forty billion, four hundred ten million, two hundred twenty-one thousand, three hundred twenty-one".