140042210224421 has 8 divisors (see below), whose sum is σ = 140072076731520. Its totient is φ = 140012346541072.

The previous prime is 140042210224393. The next prime is 140042210224453. The reversal of 140042210224421 is 124422012240041.

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-140042210224421 is a prime.

It is a super-2 number, since 2×140042210224421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140042210224471) 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, 100020575 + ... + 101411043.

It is an arithmetic number, because the mean of its divisors is an integer number (17509009591440).

Almost surely, 2^{140042210224421} is an apocalyptic number.

It is an amenable number.

140042210224421 is a deficient number, since it is larger than the sum of its proper divisors (29866507099).

140042210224421 is a wasteful number, since it uses less digits than its factorization.

140042210224421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411875.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 140042210224421 its reverse (124422012240041), we get a palindrome (264464222464462).

The spelling of 140042210224421 in words is "one hundred forty trillion, forty-two billion, two hundred ten million, two hundred twenty-four thousand, four hundred twenty-one".