1330875520 has 128 divisors (see below), whose sum is σ = 3607128000. Its totient is φ = 465481728.

The previous prime is 1330875509. The next prime is 1330875529. The reversal of 1330875520 is 255780331.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (1330875529) 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, 153871 + ... + 162289.

Almost surely, 2^1330875520 is an apocalyptic number.

1330875520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330875520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803564000).

1330875520 is an abundant number, since it is smaller than the sum of its proper divisors (2276252480).

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

1330875520 is a wasteful number, since it uses less digits than its factorization.

1330875520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470 (or 8458 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 1330875520 is about 36481.1666480117. The cubic root of 1330875520 is about 1099.9657069199.

The spelling of 1330875520 in words is "one billion, three hundred thirty million, eight hundred seventy-five thousand, five hundred twenty".