1340055303 has 8 divisors (see below), whose sum is σ = 1795209216. Its totient is φ = 889135800.

The previous prime is 1340055281. The next prime is 1340055373. The reversal of 1340055303 is 3035500431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1340055303 - 2⁵ = 1340055271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340055373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057863 + ... + 1059128.

It is an arithmetic number, because the mean of its divisors is an integer number (224401152).

Almost surely, 2^1340055303 is an apocalyptic number.

1340055303 is a deficient number, since it is larger than the sum of its proper divisors (455153913).

1340055303 is a wasteful number, since it uses less digits than its factorization.

1340055303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117205.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 1340055303 is about 36606.7658090687. The cubic root of 1340055303 is about 1102.4889379344.

Adding to 1340055303 its reverse (3035500431), we get a palindrome (4375555734).

The spelling of 1340055303 in words is "one billion, three hundred forty million, fifty-five thousand, three hundred three".