140340332321 has 8 divisors (see below), whose sum is σ = 160422522624. Its totient is φ = 120266534880.

The previous prime is 140340332309. The next prime is 140340332351. The reversal of 140340332321 is 123233043041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140340332321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140340332351) 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, 2062340 + ... + 2129301.

It is an arithmetic number, because the mean of its divisors is an integer number (20052815328).

Almost surely, 2^140340332321 is an apocalyptic number.

It is an amenable number.

140340332321 is a deficient number, since it is larger than the sum of its proper divisors (20082190303).

140340332321 is an equidigital number, since it uses as much as digits as its factorization.

140340332321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196431.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 140340332321 its reverse (123233043041), we get a palindrome (263573375362).

The spelling of 140340332321 in words is "one hundred forty billion, three hundred forty million, three hundred thirty-two thousand, three hundred twenty-one".