1330894987 has 2 divisors, whose sum is σ = 1330894988. Its totient is φ = 1330894986.

The previous prime is 1330894951. The next prime is 1330894993. The reversal of 1330894987 is 7894980331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1330894987 - 2¹⁵ = 1330862219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1330894927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665447493 + 665447494.

It is an arithmetic number, because the mean of its divisors is an integer number (665447494).

Almost surely, 2^1330894987 is an apocalyptic number.

1330894987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330894987 is an equidigital number, since it uses as much as digits as its factorization.

1330894987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 1330894987 is about 36481.4334559376. The cubic root of 1330894987 is about 1099.9710700380.

The spelling of 1330894987 in words is "one billion, three hundred thirty million, eight hundred ninety-four thousand, nine hundred eighty-seven".