1405341343 has 4 divisors (see below), whose sum is σ = 1606104400. Its totient is φ = 1204578288.

The previous prime is 1405341341. The next prime is 1405341359. The reversal of 1405341343 is 3431435041.

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 1405341343 - 2¹ = 1405341341 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 (1405341341) 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 in 3 ways as a sum of consecutive naturals, for example, 100381518 + ... + 100381531.

It is an arithmetic number, because the mean of its divisors is an integer number (401526100).

Almost surely, 2^1405341343 is an apocalyptic number.

1405341343 is a deficient number, since it is larger than the sum of its proper divisors (200763057).

1405341343 is an equidigital number, since it uses as much as digits as its factorization.

1405341343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200763056.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 1405341343 is about 37487.8826155866. The cubic root of 1405341343 is about 1120.1098273996.

Adding to 1405341343 its reverse (3431435041), we get a palindrome (4836776384).

The spelling of 1405341343 in words is "one billion, four hundred five million, three hundred forty-one thousand, three hundred forty-three".