140024210321 has 4 divisors (see below), whose sum is σ = 140026834212. Its totient is φ = 140021586432.

The previous prime is 140024210257. The next prime is 140024210353. The reversal of 140024210321 is 123012420041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92804920321 + 47219290000 = 304639^2 + 217300^2 .

It is a cyclic number.

It is not a de Polignac number, because 140024210321 - 2⁶ = 140024210257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140024210293 and 140024210302.

It is not an unprimeable number, because it can be changed into a prime (140024215321) 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, 1230200 + ... + 1339193.

It is an arithmetic number, because the mean of its divisors is an integer number (35006708553).

Almost surely, 2^140024210321 is an apocalyptic number.

It is an amenable number.

140024210321 is a deficient number, since it is larger than the sum of its proper divisors (2623891).

140024210321 is an equidigital number, since it uses as much as digits as its factorization.

140024210321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623890.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 140024210321 its reverse (123012420041), we get a palindrome (263036630362).

The spelling of 140024210321 in words is "one hundred forty billion, twenty-four million, two hundred ten thousand, three hundred twenty-one".