1340130313040 has 20 divisors (see below), whose sum is σ = 3115802978004. Its totient is φ = 536052125184.

The previous prime is 1340130313033. The next prime is 1340130313051. The reversal of 1340130313040 is 403130310431.

It can be written as a sum of positive squares in 2 ways, for example, as 884186657344 + 455943655696 = 940312^2 + 675236^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1340130312997 and 1340130313015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8375814377 + ... + 8375814536.

Almost surely, 2^{1340130313040} is an apocalyptic number.

1340130313040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340130313040 is an abundant number, since it is smaller than the sum of its proper divisors (1775672664964).

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

1340130313040 is a wasteful number, since it uses less digits than its factorization.

1340130313040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16751628926 (or 16751628920 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1340130313040 its reverse (403130310431), we get a palindrome (1743260623471).

The spelling of 1340130313040 in words is "one trillion, three hundred forty billion, one hundred thirty million, three hundred thirteen thousand, forty".