1340707636 has 12 divisors (see below), whose sum is σ = 2347508128. Its totient is φ = 669991032.

The previous prime is 1340707607. The next prime is 1340707649. The reversal of 1340707636 is 6367070431.

It is a junction number, because it is equal to n+sod(n) for n = 1340707595 and 1340707604.

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 3 ways as a sum of consecutive naturals, for example, 82296 + ... + 97231.

Almost surely, 2^1340707636 is an apocalyptic number.

It is an amenable number.

1340707636 is a deficient number, since it is larger than the sum of its proper divisors (1006800492).

1340707636 is a wasteful number, since it uses less digits than its factorization.

1340707636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181398 (or 181396 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 1340707636 is about 36615.6747309127. The cubic root of 1340707636 is about 1102.6678044948.

The spelling of 1340707636 in words is "one billion, three hundred forty million, seven hundred seven thousand, six hundred thirty-six".