1421440320134 has 4 divisors (see below), whose sum is σ = 2132160480204. Its totient is φ = 710720160066.

The previous prime is 1421440320119. The next prime is 1421440320233. The reversal of 1421440320134 is 4310230441241.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1421440320097 and 1421440320106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355360080032 + ... + 355360080035.

It is an arithmetic number, because the mean of its divisors is an integer number (533040120051).

Almost surely, 2^{1421440320134} is an apocalyptic number.

1421440320134 is a deficient number, since it is larger than the sum of its proper divisors (710720160070).

1421440320134 is an equidigital number, since it uses as much as digits as its factorization.

1421440320134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710720160069.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1421440320134 its reverse (4310230441241), we get a palindrome (5731670761375).

The spelling of 1421440320134 in words is "one trillion, four hundred twenty-one billion, four hundred forty million, three hundred twenty thousand, one hundred thirty-four".