142140331322421 has 8 divisors (see below), whose sum is σ = 189625672443264. Its totient is φ = 94707605541600.

The previous prime is 142140331322399. The next prime is 142140331322459. The reversal of 142140331322421 is 124223133041241.

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

It is not a de Polignac number, because 142140331322421 - 2⁷ = 142140331322293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142140331322921) 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, 13153828701 + ... + 13153839506.

It is an arithmetic number, because the mean of its divisors is an integer number (23703209055408).

Almost surely, 2^{142140331322421} is an apocalyptic number.

It is an amenable number.

142140331322421 is a deficient number, since it is larger than the sum of its proper divisors (47485341120843).

142140331322421 is a wasteful number, since it uses less digits than its factorization.

142140331322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26307670011.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 142140331322421 its reverse (124223133041241), we get a palindrome (266363464363662).

The spelling of 142140331322421 in words is "one hundred forty-two trillion, one hundred forty billion, three hundred thirty-one million, three hundred twenty-two thousand, four hundred twenty-one".