1340411533 has 2 divisors, whose sum is σ = 1340411534. Its totient is φ = 1340411532.

The previous prime is 1340411531. The next prime is 1340411539. The reversal of 1340411533 is 3351140431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036711204 + 303700329 = 32198^2 + 17427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1340411533 - 2¹ = 1340411531 is a prime.

Together with 1340411531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1340411498 and 1340411507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1340411531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670205766 + 670205767.

It is an arithmetic number, because the mean of its divisors is an integer number (670205767).

Almost surely, 2^1340411533 is an apocalyptic number.

It is an amenable number.

1340411533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1340411533 is an equidigital number, since it uses as much as digits as its factorization.

1340411533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1340411533 is about 36611.6311163543. The cubic root of 1340411533 is about 1102.5866216737.

Adding to 1340411533 its reverse (3351140431), we get a palindrome (4691551964).

The spelling of 1340411533 in words is "one billion, three hundred forty million, four hundred eleven thousand, five hundred thirty-three".