1340603506 has 16 divisors (see below), whose sum is σ = 2198796768. Its totient is φ = 607953600.

The previous prime is 1340603497. The next prime is 1340603521. The reversal of 1340603506 is 6053060431.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60840 + ... + 79891.

It is an arithmetic number, because the mean of its divisors is an integer number (137424798).

Almost surely, 2^1340603506 is an apocalyptic number.

1340603506 is a deficient number, since it is larger than the sum of its proper divisors (858193262).

1340603506 is a wasteful number, since it uses less digits than its factorization.

1340603506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141177.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1340603506 is about 36614.2527712911. The cubic root of 1340603506 is about 1102.6392564434.

Adding to 1340603506 its reverse (6053060431), we get a palindrome (7393663937).

The spelling of 1340603506 in words is "one billion, three hundred forty million, six hundred three thousand, five hundred six".