1340121630004 has 12 divisors (see below), whose sum is σ = 2377339056484. Its totient is φ = 660881899584.

The previous prime is 1340121629947. The next prime is 1340121630007. The reversal of 1340121630004 is 4000361210431.

It can be written as a sum of positive squares in 2 ways, for example, as 457746964900 + 882374665104 = 676570^2 + 939348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340121630007) 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 3 ways as a sum of consecutive naturals, for example, 2294728527 + ... + 2294729110.

Almost surely, 2^{1340121630004} is an apocalyptic number.

It is an amenable number.

1340121630004 is a deficient number, since it is larger than the sum of its proper divisors (1037217426480).

1340121630004 is a wasteful number, since it uses less digits than its factorization.

1340121630004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4589457714 (or 4589457712 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 1340121630004 its reverse (4000361210431), we get a palindrome (5340482840435).

The spelling of 1340121630004 in words is "one trillion, three hundred forty billion, one hundred twenty-one million, six hundred thirty thousand, four".