1340053463 has 8 divisors (see below), whose sum is σ = 1539187200. Its totient is φ = 1142844120.

The previous prime is 1340053459. The next prime is 1340053483. The reversal of 1340053463 is 3643500431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340053463 - 2² = 1340053459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340053453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479603 + ... + 482388.

It is an arithmetic number, because the mean of its divisors is an integer number (192398400).

Almost surely, 2^1340053463 is an apocalyptic number.

1340053463 is a deficient number, since it is larger than the sum of its proper divisors (199133737).

1340053463 is an equidigital number, since it uses as much as digits as its factorization.

1340053463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962197.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 1340053463 is about 36606.7406770939. The cubic root of 1340053463 is about 1102.4884333332.

Adding to 1340053463 its reverse (3643500431), we get a palindrome (4983553894).

The spelling of 1340053463 in words is "one billion, three hundred forty million, fifty-three thousand, four hundred sixty-three".