1340585963 has 4 divisors (see below), whose sum is σ = 1350371400. Its totient is φ = 1330800528.

The previous prime is 1340585957. The next prime is 1340585969. The reversal of 1340585963 is 3695850431.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1340585957) and next prime (1340585969).

It is a cyclic number.

It is not a de Polignac number, because 1340585963 - 2⁴ = 1340585947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340585969) 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 3 ways as a sum of consecutive naturals, for example, 4892513 + ... + 4892786.

It is an arithmetic number, because the mean of its divisors is an integer number (337592850).

Almost surely, 2^1340585963 is an apocalyptic number.

1340585963 is a deficient number, since it is larger than the sum of its proper divisors (9785437).

1340585963 is an equidigital number, since it uses as much as digits as its factorization.

1340585963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785436.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 1340585963 is about 36614.0132053289. The cubic root of 1340585963 is about 1102.6344467477.

The spelling of 1340585963 in words is "one billion, three hundred forty million, five hundred eighty-five thousand, nine hundred sixty-three".