1328545736 has 16 divisors (see below), whose sum is σ = 2846883840. Its totient is φ = 569376720.

The previous prime is 1328545723. The next prime is 1328545741. The reversal of 1328545736 is 6375458231.

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, 11861960 + ... + 11862071.

It is an arithmetic number, because the mean of its divisors is an integer number (177930240).

Almost surely, 2^1328545736 is an apocalyptic number.

It is an amenable number.

1328545736 is an abundant number, since it is smaller than the sum of its proper divisors (1518338104).

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

1328545736 is a wasteful number, since it uses less digits than its factorization.

1328545736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23724044 (or 23724040 counting only the distinct ones).

The product of its digits is 604800, while the sum is 44.

The square root of 1328545736 is about 36449.2213359902. The cubic root of 1328545736 is about 1099.3234782259.

The spelling of 1328545736 in words is "one billion, three hundred twenty-eight million, five hundred forty-five thousand, seven hundred thirty-six".