1340204021003 has 8 divisors (see below), whose sum is σ = 1425284799120. Its totient is φ = 1256577615360.

The previous prime is 1340204020933. The next prime is 1340204021017. The reversal of 1340204021003 is 3001204020431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340204021003 - 2⁸ = 1340204020747 is a prime.

It is a super-2 number, since 2×1340204021003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340204021603) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 363591218 + ... + 363594903.

It is an arithmetic number, because the mean of its divisors is an integer number (178160599890).

Almost surely, 2^{1340204021003} is an apocalyptic number.

1340204021003 is a deficient number, since it is larger than the sum of its proper divisors (85080778117).

1340204021003 is an equidigital number, since it uses as much as digits as its factorization.

1340204021003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727186237.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1340204021003 its reverse (3001204020431), we get a palindrome (4341408041434).

The spelling of 1340204021003 in words is "one trillion, three hundred forty billion, two hundred four million, twenty-one thousand, three".