1421344243142 has 8 divisors (see below), whose sum is σ = 2162044764432. Its totient is φ = 700662655000.

The previous prime is 1421344243133. The next prime is 1421344243229. The reversal of 1421344243142 is 2413424431241.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5004733109 + ... + 5004733392.

It is an arithmetic number, because the mean of its divisors is an integer number (270255595554).

Almost surely, 2^{1421344243142} is an apocalyptic number.

1421344243142 is a deficient number, since it is larger than the sum of its proper divisors (740700521290).

1421344243142 is a wasteful number, since it uses less digits than its factorization.

1421344243142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10009466574.

The product of its digits is 73728, while the sum is 35.

Adding to 1421344243142 its reverse (2413424431241), we get a palindrome (3834768674383).

The spelling of 1421344243142 in words is "one trillion, four hundred twenty-one billion, three hundred forty-four million, two hundred forty-three thousand, one hundred forty-two".