140244244214421 has 8 divisors (see below), whose sum is σ = 186992449552224. Its totient is φ = 93496100843120.

The previous prime is 140244244214413. The next prime is 140244244214461. The reversal of 140244244214421 is 124412442442041.

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

It is a cyclic number.

It is not a de Polignac number, because 140244244214421 - 2³ = 140244244214413 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140244244214421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140244244214411) 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, 9925011 + ... + 19467776.

It is an arithmetic number, because the mean of its divisors is an integer number (23374056194028).

Almost surely, 2^{140244244214421} is an apocalyptic number.

It is an amenable number.

140244244214421 is a deficient number, since it is larger than the sum of its proper divisors (46748205337803).

140244244214421 is a wasteful number, since it uses less digits than its factorization.

140244244214421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30983251.

The product of its (nonzero) digits is 262144, while the sum is 39.

Adding to 140244244214421 its reverse (124412442442041), we get a palindrome (264656686656462).

The spelling of 140244244214421 in words is "one hundred forty trillion, two hundred forty-four billion, two hundred forty-four million, two hundred fourteen thousand, four hundred twenty-one".