1340012041 has 2 divisors, whose sum is σ = 1340012042. Its totient is φ = 1340012040.

The previous prime is 1340012033. The next prime is 1340012081. The reversal of 1340012041 is 1402100431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 936604816 + 403407225 = 30604^2 + 20085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340012041 - 2³ = 1340012033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1340012021) 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, 670006020 + 670006021.

It is an arithmetic number, because the mean of its divisors is an integer number (670006021).

Almost surely, 2^1340012041 is an apocalyptic number.

It is an amenable number.

1340012041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340012041 is an equidigital number, since it uses as much as digits as its factorization.

1340012041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1340012041 is about 36606.1749026035. The cubic root of 1340012041 is about 1102.4770736505.

Adding to 1340012041 its reverse (1402100431), we get a palindrome (2742112472).

The spelling of 1340012041 in words is "one billion, three hundred forty million, twelve thousand, forty-one".