140468321 has 8 divisors (see below), whose sum is σ = 163256640. Its totient is φ = 118360368.

The previous prime is 140468309. The next prime is 140468323. The reversal of 140468321 is 123864041.

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

It is not a de Polignac number, because 140468321 - 2²⁶ = 73359457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140468323) 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, 169646 + ... + 170471.

It is an arithmetic number, because the mean of its divisors is an integer number (20407080).

Almost surely, 2^140468321 is an apocalyptic number.

It is an amenable number.

140468321 is a deficient number, since it is larger than the sum of its proper divisors (22788319).

140468321 is an equidigital number, since it uses as much as digits as its factorization.

140468321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340183.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 140468321 is about 11851.9332178341. The cubic root of 140468321 is about 519.8277548353.

The spelling of 140468321 in words is "one hundred forty million, four hundred sixty-eight thousand, three hundred twenty-one".