1308688868 has 36 divisors (see below), whose sum is σ = 2445233280. Its totient is φ = 612531216.

The previous prime is 1308688867. The next prime is 1308688873. The reversal of 1308688868 is 8688868031.

It is not an unprimeable number, because it can be changed into a prime (1308688867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92873 + ... + 106031.

Almost surely, 2^1308688868 is an apocalyptic number.

It is an amenable number.

1308688868 is a deficient number, since it is larger than the sum of its proper divisors (1136544412).

1308688868 is a wasteful number, since it uses less digits than its factorization.

1308688868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13256 (or 13231 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 56.

The square root of 1308688868 is about 36175.8050083201. The cubic root of 1308688868 is about 1093.8190162795.

The spelling of 1308688868 in words is "one billion, three hundred eight million, six hundred eighty-eight thousand, eight hundred sixty-eight".