140424314430221 has 8 divisors (see below), whose sum is σ = 155149114665024. Its totient is φ = 126417797133760.

The previous prime is 140424314430203. The next prime is 140424314430223. The reversal of 140424314430221 is 122034413424041.

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-140424314430221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140424314430223) 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, 179570734175 + ... + 179570734956.

It is an arithmetic number, because the mean of its divisors is an integer number (19393639333128).

Almost surely, 2^{140424314430221} is an apocalyptic number.

It is an amenable number.

140424314430221 is a deficient number, since it is larger than the sum of its proper divisors (14724800234803).

140424314430221 is a wasteful number, since it uses less digits than its factorization.

140424314430221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359141469171.

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 140424314430221 its reverse (122034413424041), we get a palindrome (262458727854262).

The spelling of 140424314430221 in words is "one hundred forty trillion, four hundred twenty-four billion, three hundred fourteen million, four hundred thirty thousand, two hundred twenty-one".