1330240687 has 16 divisors (see below), whose sum is σ = 1383580000. Its totient is φ = 1277907840.

The previous prime is 1330240669. The next prime is 1330240697. The reversal of 1330240687 is 7860420331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1330240687 - 2²³ = 1321852079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330240607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2012137 + ... + 2012797.

It is an arithmetic number, because the mean of its divisors is an integer number (86473750).

Almost surely, 2^1330240687 is an apocalyptic number.

1330240687 is a deficient number, since it is larger than the sum of its proper divisors (53339313).

1330240687 is a wasteful number, since it uses less digits than its factorization.

1330240687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 1330240687 is about 36472.4647782406. The cubic root of 1330240687 is about 1099.7907830751.

The spelling of 1330240687 in words is "one billion, three hundred thirty million, two hundred forty thousand, six hundred eighty-seven".