1340271454121 has 2 divisors, whose sum is σ = 1340271454122. Its totient is φ = 1340271454120.

The previous prime is 1340271454111. The next prime is 1340271454201. The reversal of 1340271454121 is 1214541720431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752382760000 + 587888694121 = 867400^2 + 766739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340271454121 - 2¹⁴ = 1340271437737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340271454111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670135727060 + 670135727061.

It is an arithmetic number, because the mean of its divisors is an integer number (670135727061).

Almost surely, 2^{1340271454121} is an apocalyptic number.

It is an amenable number.

1340271454121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340271454121 is an equidigital number, since it uses as much as digits as its factorization.

1340271454121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 1340271454121 in words is "one trillion, three hundred forty billion, two hundred seventy-one million, four hundred fifty-four thousand, one hundred twenty-one".