1343605555 has 4 divisors (see below), whose sum is σ = 1612326672. Its totient is φ = 1074884440.

The previous prime is 1343605541. The next prime is 1343605567. The reversal of 1343605555 is 5555063431.

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

It is not a de Polignac number, because 1343605555 - 2⁷ = 1343605427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134360551 + ... + 134360560.

It is an arithmetic number, because the mean of its divisors is an integer number (403081668).

Almost surely, 2^1343605555 is an apocalyptic number.

1343605555 is a deficient number, since it is larger than the sum of its proper divisors (268721117).

1343605555 is an equidigital number, since it uses as much as digits as its factorization.

1343605555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268721116.

The product of its (nonzero) digits is 135000, while the sum is 37.

The square root of 1343605555 is about 36655.2254801413. The cubic root of 1343605555 is about 1103.4616992900.

Adding to 1343605555 its reverse (5555063431), we get a palindrome (6898668986).

The spelling of 1343605555 in words is "one billion, three hundred forty-three million, six hundred five thousand, five hundred fifty-five".