1340332564 has 24 divisors (see below), whose sum is σ = 2485546560. Its totient is φ = 630239616.

The previous prime is 1340332549. The next prime is 1340332573. The reversal of 1340332564 is 4652330431.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85747 + ... + 100165.

It is an arithmetic number, because the mean of its divisors is an integer number (103564440).

Almost surely, 2^1340332564 is an apocalyptic number.

It is an amenable number.

1340332564 is a deficient number, since it is larger than the sum of its proper divisors (1145213996).

1340332564 is a wasteful number, since it uses less digits than its factorization.

1340332564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15807 (or 15805 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 1340332564 is about 36610.5526317208. The cubic root of 1340332564 is about 1102.5649686537.

Adding to 1340332564 its reverse (4652330431), we get a palindrome (5992662995).

The spelling of 1340332564 in words is "one billion, three hundred forty million, three hundred thirty-two thousand, five hundred sixty-four".