1307636668 has 48 divisors (see below), whose sum is σ = 2693585664. Its totient is φ = 549688320.

The previous prime is 1307636633. The next prime is 1307636669. The reversal of 1307636668 is 8666367031.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307636669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3546 + ... + 51262.

It is an arithmetic number, because the mean of its divisors is an integer number (56116368).

Almost surely, 2^1307636668 is an apocalyptic number.

It is an amenable number.

1307636668 is an abundant number, since it is smaller than the sum of its proper divisors (1385948996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1307636668 is a wasteful number, since it uses less digits than its factorization.

1307636668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47782 (or 47780 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 1307636668 is about 36161.2592148006. The cubic root of 1307636668 is about 1093.5257902412.

The spelling of 1307636668 in words is "one billion, three hundred seven million, six hundred thirty-six thousand, six hundred sixty-eight".