140012024020421 has 8 divisors (see below), whose sum is σ = 160014158256000. Its totient is φ = 120009993914448.

The previous prime is 140012024020387. The next prime is 140012024020487. The reversal of 140012024020421 is 124020420210041.

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-140012024020421 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 (140012024020021) 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, 23129546 + ... + 28548203.

It is an arithmetic number, because the mean of its divisors is an integer number (20001769782000).

Almost surely, 2^{140012024020421} is an apocalyptic number.

It is an amenable number.

140012024020421 is a deficient number, since it is larger than the sum of its proper divisors (20002134235579).

140012024020421 is an equidigital number, since it uses as much as digits as its factorization.

140012024020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52064803.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 140012024020421 its reverse (124020420210041), we get a palindrome (264032444230462).

The spelling of 140012024020421 in words is "one hundred forty trillion, twelve billion, twenty-four million, twenty thousand, four hundred twenty-one".