1308706330 has 16 divisors (see below), whose sum is σ = 2360834280. Its totient is φ = 522335232.

The previous prime is 1308706319. The next prime is 1308706331. The reversal of 1308706330 is 336078031.

It can be written as a sum of positive squares in 4 ways, for example, as 1292618209 + 16088121 = 35953^2 + 4011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1308706292 and 1308706301.

It is not an unprimeable number, because it can be changed into a prime (1308706331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138615 + ... + 147754.

Almost surely, 2^1308706330 is an apocalyptic number.

1308706330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1308706330 is a deficient number, since it is larger than the sum of its proper divisors (1052127950).

1308706330 is a wasteful number, since it uses less digits than its factorization.

1308706330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286833.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1308706330 is about 36176.0463566709. The cubic root of 1308706330 is about 1093.8238812460.

The spelling of 1308706330 in words is "one billion, three hundred eight million, seven hundred six thousand, three hundred thirty".