1340335163 has 2 divisors, whose sum is σ = 1340335164. Its totient is φ = 1340335162.

The previous prime is 1340335159. The next prime is 1340335187. The reversal of 1340335163 is 3615330431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1340335163 - 2² = 1340335159 is a prime.

It is a super-3 number, since 3×1340335163³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1340335103) 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, 670167581 + 670167582.

It is an arithmetic number, because the mean of its divisors is an integer number (670167582).

Almost surely, 2^1340335163 is an apocalyptic number.

1340335163 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340335163 is an equidigital number, since it uses as much as digits as its factorization.

1340335163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 1340335163 is about 36610.5881269340. The cubic root of 1340335163 is about 1102.5656813039.

Adding to 1340335163 its reverse (3615330431), we get a palindrome (4955665594).

The spelling of 1340335163 in words is "one billion, three hundred forty million, three hundred thirty-five thousand, one hundred sixty-three".