140220443134021 has 8 divisors (see below), whose sum is σ = 146320026658560. Its totient is φ = 134121113152752.

The previous prime is 140220443133989. The next prime is 140220443134111. The reversal of 140220443134021 is 120431344022041.

It is a happy number.

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 140220443134021 - 2⁵ = 140220443133989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140220443134721) 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, 62255245 + ... + 64468258.

It is an arithmetic number, because the mean of its divisors is an integer number (18290003332320).

Almost surely, 2^{140220443134021} is an apocalyptic number.

It is an amenable number.

140220443134021 is a deficient number, since it is larger than the sum of its proper divisors (6099583524539).

140220443134021 is a wasteful number, since it uses less digits than its factorization.

140220443134021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126771635.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 140220443134021 its reverse (120431344022041), we get a palindrome (260651787156062).

The spelling of 140220443134021 in words is "one hundred forty trillion, two hundred twenty billion, four hundred forty-three million, one hundred thirty-four thousand, twenty-one".