1340461603 has 4 divisors (see below), whose sum is σ = 1443574048. Its totient is φ = 1237349160.

The previous prime is 1340461601. The next prime is 1340461631. The reversal of 1340461603 is 3061640431.

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 1340461603 - 2¹ = 1340461601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1340461601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51556203 + ... + 51556228.

It is an arithmetic number, because the mean of its divisors is an integer number (360893512).

Almost surely, 2^1340461603 is an apocalyptic number.

1340461603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1340461603 is a deficient number, since it is larger than the sum of its proper divisors (103112445).

1340461603 is a wasteful number, since it uses less digits than its factorization.

1340461603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103112444.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1340461603 is about 36612.3149090576. The cubic root of 1340461603 is about 1102.6003502496.

The spelling of 1340461603 in words is "one billion, three hundred forty million, four hundred sixty-one thousand, six hundred three".