1330989252 has 24 divisors (see below), whose sum is σ = 3109864800. Its totient is φ = 443059776.

The previous prime is 1330989239. The next prime is 1330989263. The reversal of 1330989252 is 2529890331.

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, 66177 + ... + 83912.

It is an arithmetic number, because the mean of its divisors is an integer number (129577700).

Almost surely, 2^1330989252 is an apocalyptic number.

1330989252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1330989252 is an abundant number, since it is smaller than the sum of its proper divisors (1778875548).

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

1330989252 is a wasteful number, since it uses less digits than its factorization.

1330989252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150835 (or 150833 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1330989252 is about 36482.7253916151. The cubic root of 1330989252 is about 1099.9970391105.

The spelling of 1330989252 in words is "one billion, three hundred thirty million, nine hundred eighty-nine thousand, two hundred fifty-two".