1330381885 has 32 divisors (see below), whose sum is σ = 1864166400. Its totient is φ = 892539648.

The previous prime is 1330381853. The next prime is 1330381909. The reversal of 1330381885 is 5881830331.

It is not a de Polignac number, because 1330381885 - 2⁵ = 1330381853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 858091 + ... + 859639.

It is an arithmetic number, because the mean of its divisors is an integer number (58255200).

Almost surely, 2^1330381885 is an apocalyptic number.

It is an amenable number.

1330381885 is a deficient number, since it is larger than the sum of its proper divisors (533784515).

1330381885 is a wasteful number, since it uses less digits than its factorization.

1330381885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1330381885 is about 36474.4004063124. The cubic root of 1330381885 is about 1099.8296940196.

The spelling of 1330381885 in words is "one billion, three hundred thirty million, three hundred eighty-one thousand, eight hundred eighty-five".