1330894985 has 16 divisors (see below), whose sum is σ = 1832025600. Its totient is φ = 909214656.

The previous prime is 1330894951. The next prime is 1330894987. The reversal of 1330894985 is 5894980331.

It is not a de Polignac number, because 1330894985 - 2¹⁶ = 1330829449 is a prime.

It is a super-2 number, since 2×1330894985² = 3542562922196300450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1330894987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61265 + ... + 80094.

It is an arithmetic number, because the mean of its divisors is an integer number (114501600).

Almost surely, 2^1330894985 is an apocalyptic number.

It is an amenable number.

1330894985 is a deficient number, since it is larger than the sum of its proper divisors (501130615).

1330894985 is a wasteful number, since it uses less digits than its factorization.

1330894985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141640.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 1330894985 is about 36481.4334285264. The cubic root of 1330894985 is about 1099.9710694871.

The spelling of 1330894985 in words is "one billion, three hundred thirty million, eight hundred ninety-four thousand, nine hundred eighty-five".