1340563384 has 16 divisors (see below), whose sum is σ = 2514751920. Its totient is φ = 669962880.

The previous prime is 1340563381. The next prime is 1340563453. The reversal of 1340563384 is 4833650431.

It is a super-2 number, since 2×1340563384² = 3594220373043062912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340563381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21484 + ... + 56059.

It is an arithmetic number, because the mean of its divisors is an integer number (157171995).

Almost surely, 2^1340563384 is an apocalyptic number.

It is an amenable number.

1340563384 is a deficient number, since it is larger than the sum of its proper divisors (1174188536).

1340563384 is a wasteful number, since it uses less digits than its factorization.

1340563384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79710 (or 79706 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 1340563384 is about 36613.7048658013. The cubic root of 1340563384 is about 1102.6282562898.

The spelling of 1340563384 in words is "one billion, three hundred forty million, five hundred sixty-three thousand, three hundred eighty-four".