1308830528 has 28 divisors (see below), whose sum is σ = 2635983552. Its totient is φ = 644645760.

The previous prime is 1308830521. The next prime is 1308830587. The reversal of 1308830528 is 8250388031.

It is a junction number, because it is equal to n+sod(n) for n = 1308830491 and 1308830500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308830521) 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 3 ways as a sum of consecutive naturals, for example, 148328 + ... + 156903.

Almost surely, 2^1308830528 is an apocalyptic number.

It is an amenable number.

1308830528 is an abundant number, since it is smaller than the sum of its proper divisors (1327153024).

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

1308830528 is an equidigital number, since it uses as much as digits as its factorization.

1308830528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305310 (or 305300 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1308830528 is about 36177.7628937998. The cubic root of 1308830528 is about 1093.8584819399.

The spelling of 1308830528 in words is "one billion, three hundred eight million, eight hundred thirty thousand, five hundred twenty-eight".