1421402203342 has 64 divisors (see below), whose sum is σ = 2468554818048. Its totient is φ = 607929840000.

The previous prime is 1421402203327. The next prime is 1421402203363. The reversal of 1421402203342 is 2433022041241.

It is a self number, because there is not a number n which added to its sum of digits gives 1421402203342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3334167 + ... + 3736237.

It is an arithmetic number, because the mean of its divisors is an integer number (38571169032).

Almost surely, 2^{1421402203342} is an apocalyptic number.

1421402203342 is a deficient number, since it is larger than the sum of its proper divisors (1047152614706).

1421402203342 is a wasteful number, since it uses less digits than its factorization.

1421402203342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402265.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1421402203342 its reverse (2433022041241), we get a palindrome (3854424244583).

The spelling of 1421402203342 in words is "one trillion, four hundred twenty-one billion, four hundred two million, two hundred three thousand, three hundred forty-two".