1340010343 has 4 divisors (see below), whose sum is σ = 1531440400. Its totient is φ = 1148580288.

The previous prime is 1340010341. The next prime is 1340010379. The reversal of 1340010343 is 3430100431.

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

It is a cyclic number.

It is not a de Polignac number, because 1340010343 - 2¹ = 1340010341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1340010343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340010341) 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, 95715018 + ... + 95715031.

It is an arithmetic number, because the mean of its divisors is an integer number (382860100).

Almost surely, 2^1340010343 is an apocalyptic number.

1340010343 is a deficient number, since it is larger than the sum of its proper divisors (191430057).

1340010343 is an equidigital number, since it uses as much as digits as its factorization.

1340010343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191430056.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1340010343 is about 36606.1517097878. The cubic root of 1340010343 is about 1102.4766079813.

Adding to 1340010343 its reverse (3430100431), we get a palindrome (4770110774).

The spelling of 1340010343 in words is "one billion, three hundred forty million, ten thousand, three hundred forty-three".