1340140421300 has 36 divisors (see below), whose sum is σ = 2909736119136. Its totient is φ = 535755448800.

The previous prime is 1340140421293. The next prime is 1340140421339. The reversal of 1340140421300 is 31240410431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3579806 + ... + 3936405.

Almost surely, 2^{1340140421300} is an apocalyptic number.

1340140421300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340140421300 is an abundant number, since it is smaller than the sum of its proper divisors (1569595697836).

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

1340140421300 is a wasteful number, since it uses less digits than its factorization.

1340140421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518008 (or 7518001 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1340140421300 its reverse (31240410431), we get a palindrome (1371380831731).

The spelling of 1340140421300 in words is "one trillion, three hundred forty billion, one hundred forty million, four hundred twenty-one thousand, three hundred".