1308708645 has 16 divisors (see below), whose sum is σ = 2095087680. Its totient is φ = 697593344.

The previous prime is 1308708641. The next prime is 1308708649. The reversal of 1308708645 is 5468078031.

It is an interprime number because it is at equal distance from previous prime (1308708641) and next prime (1308708649).

It is a cyclic number.

It is not a de Polignac number, because 1308708645 - 2² = 1308708641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1308708597 and 1308708606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308708641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5242 + ... + 51428.

It is an arithmetic number, because the mean of its divisors is an integer number (130942980).

Almost surely, 2^1308708645 is an apocalyptic number.

1308708645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1308708645 is a deficient number, since it is larger than the sum of its proper divisors (786379035).

1308708645 is a wasteful number, since it uses less digits than its factorization.

1308708645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48084.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 1308708645 is about 36176.0783529669. The cubic root of 1308708645 is about 1093.8245262089.

The spelling of 1308708645 in words is "one billion, three hundred eight million, seven hundred eight thousand, six hundred forty-five".