1340103355 has 4 divisors (see below), whose sum is σ = 1608124032. Its totient is φ = 1072082680.

The previous prime is 1340103341. The next prime is 1340103367. The reversal of 1340103355 is 5533010431.

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

It is not a de Polignac number, because 1340103355 - 2⁷ = 1340103227 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, 134010331 + ... + 134010340.

It is an arithmetic number, because the mean of its divisors is an integer number (402031008).

Almost surely, 2^1340103355 is an apocalyptic number.

1340103355 is a deficient number, since it is larger than the sum of its proper divisors (268020677).

1340103355 is an equidigital number, since it uses as much as digits as its factorization.

1340103355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268020676.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1340103355 is about 36607.4221299452. The cubic root of 1340103355 is about 1102.5021155411.

Adding to 1340103355 its reverse (5533010431), we get a palindrome (6873113786).

The spelling of 1340103355 in words is "one billion, three hundred forty million, one hundred three thousand, three hundred fifty-five".