1421144341302 has 32 divisors (see below), whose sum is σ = 3249296722944. Its totient is φ = 405920390400.

The previous prime is 1421144341297. The next prime is 1421144341333. The reversal of 1421144341302 is 2031434411241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421144341302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4892574 + ... + 5174897.

It is an arithmetic number, because the mean of its divisors is an integer number (101540522592).

Almost surely, 2^{1421144341302} is an apocalyptic number.

1421144341302 is an abundant number, since it is smaller than the sum of its proper divisors (1828152381642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421144341302 is a wasteful number, since it uses less digits than its factorization.

1421144341302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10070844.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 1421144341302 its reverse (2031434411241), we get a palindrome (3452578752543).

The spelling of 1421144341302 in words is "one trillion, four hundred twenty-one billion, one hundred forty-four million, three hundred forty-one thousand, three hundred two".