1340424004303 has 4 divisors (see below), whose sum is σ = 1340661715920. Its totient is φ = 1340186292688.

The previous prime is 1340424004273. The next prime is 1340424004327. The reversal of 1340424004303 is 3034004240431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340424004303 - 2²⁹ = 1339887133391 is a prime.

It is a super-2 number, since 2×1340424004303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340424004373) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 118847350 + ... + 118858627.

It is an arithmetic number, because the mean of its divisors is an integer number (335165428980).

Almost surely, 2^{1340424004303} is an apocalyptic number.

1340424004303 is a deficient number, since it is larger than the sum of its proper divisors (237711617).

1340424004303 is an equidigital number, since it uses as much as digits as its factorization.

1340424004303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237711616.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 1340424004303 its reverse (3034004240431), we get a palindrome (4374428244734).

The spelling of 1340424004303 in words is "one trillion, three hundred forty billion, four hundred twenty-four million, four thousand, three hundred three".