1308733168 has 40 divisors (see below), whose sum is σ = 2696680080. Its totient is φ = 613155840.

The previous prime is 1308733133. The next prime is 1308733171. The reversal of 1308733168 is 8613378031.

It is a self number, because there is not a number n which added to its sum of digits gives 1308733168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51783 + ... + 72793.

It is an arithmetic number, because the mean of its divisors is an integer number (67417002).

Almost surely, 2^1308733168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1308733168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1348340040).

1308733168 is an abundant number, since it is smaller than the sum of its proper divisors (1387946912).

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

1308733168 is a wasteful number, since it uses less digits than its factorization.

1308733168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21265 (or 21259 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 1308733168 is about 36176.4172908264. The cubic root of 1308733168 is about 1093.8313583105.

The spelling of 1308733168 in words is "one billion, three hundred eight million, seven hundred thirty-three thousand, one hundred sixty-eight".