1340132020949 has 2 divisors, whose sum is σ = 1340132020950. Its totient is φ = 1340132020948.

The previous prime is 1340132020901. The next prime is 1340132021003. The reversal of 1340132020949 is 9490202310431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 696315147025 + 643816873924 = 834455^2 + 802382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1340132020949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340132520949) by changing a digit.

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 as a sum of consecutive naturals, namely, 670066010474 + 670066010475.

It is an arithmetic number, because the mean of its divisors is an integer number (670066010475).

Almost surely, 2^{1340132020949} is an apocalyptic number.

It is an amenable number.

1340132020949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340132020949 is an equidigital number, since it uses as much as digits as its factorization.

1340132020949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 38.

The spelling of 1340132020949 in words is "one trillion, three hundred forty billion, one hundred thirty-two million, twenty thousand, nine hundred forty-nine".