140224133342321 has 4 divisors (see below), whose sum is σ = 160256152391232. Its totient is φ = 120192114293412.

The previous prime is 140224133342291. The next prime is 140224133342323. The reversal of 140224133342321 is 123243331422041.

It is a happy number.

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 not a de Polignac number, because 140224133342321 - 2²² = 140224129148017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140224133342323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10016009524445 + ... + 10016009524458.

It is an arithmetic number, because the mean of its divisors is an integer number (40064038097808).

Almost surely, 2^{140224133342321} is an apocalyptic number.

It is an amenable number.

140224133342321 is a deficient number, since it is larger than the sum of its proper divisors (20032019048911).

140224133342321 is an equidigital number, since it uses as much as digits as its factorization.

140224133342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20032019048910.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 140224133342321 its reverse (123243331422041), we get a palindrome (263467464764362).

The spelling of 140224133342321 in words is "one hundred forty trillion, two hundred twenty-four billion, one hundred thirty-three million, three hundred forty-two thousand, three hundred twenty-one".