1340121313400 has 48 divisors (see below), whose sum is σ = 3174570419400. Its totient is φ = 525934398080.

The previous prime is 1340121313379. The next prime is 1340121313411. The reversal of 1340121313400 is 43131210431.

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 in 11 ways as a sum of consecutive naturals, for example, 63202670 + ... + 63223869.

Almost surely, 2^{1340121313400} is an apocalyptic number.

1340121313400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340121313400 is an abundant number, since it is smaller than the sum of its proper divisors (1834449106000).

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

1340121313400 is a wasteful number, since it uses less digits than its factorization.

1340121313400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126426608 (or 126426599 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1340121313400 its reverse (43131210431), we get a palindrome (1383252523831).

The spelling of 1340121313400 in words is "one trillion, three hundred forty billion, one hundred twenty-one million, three hundred thirteen thousand, four hundred".