1307308168 has 16 divisors (see below), whose sum is σ = 2535727500. Its totient is φ = 631114176.

The previous prime is 1307308159. The next prime is 1307308207. The reversal of 1307308168 is 8618037031.

It can be written as a sum of positive squares in 2 ways, for example, as 1201176964 + 106131204 = 34658^2 + 10302^2 .

It is a super-2 number, since 2×1307308168² = 3418109292239032448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817243 + ... + 2817706.

Almost surely, 2^1307308168 is an apocalyptic number.

It is an amenable number.

1307308168 is a deficient number, since it is larger than the sum of its proper divisors (1228419332).

1307308168 is a wasteful number, since it uses less digits than its factorization.

1307308168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634984 (or 5634980 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 1307308168 is about 36156.7167757251. The cubic root of 1307308168 is about 1093.4342119723.

The spelling of 1307308168 in words is "one billion, three hundred seven million, three hundred eight thousand, one hundred sixty-eight".