1330999999 has 16 divisors (see below), whose sum is σ = 1534915648. Its totient is φ = 1130568192.

The previous prime is 1330999997. The next prime is 1331000017. The reversal of 1330999999 is 9999990331.

It is a Cunningham number, because it is equal to 1100³-1.

It is a cyclic number.

It is not a de Polignac number, because 1330999999 - 2¹ = 1330999997 is a prime.

1330999999 is a modest number, since divided by 99999 gives 13309 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330999997) 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, 474469 + ... + 477265.

It is an arithmetic number, because the mean of its divisors is an integer number (95932228).

Almost surely, 2^1330999999 is an apocalyptic number.

1330999999 is a deficient number, since it is larger than the sum of its proper divisors (203915649).

1330999999 is a wasteful number, since it uses less digits than its factorization.

1330999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394.

The product of its (nonzero) digits is 4782969, while the sum is 61.

The square root of 1330999999 is about 36482.8726802043. The cubic root of 1330999999 is about 1099.9999997245. Note that the first 6 decimals are identical.

The spelling of 1330999999 in words is "one billion, three hundred thirty million, nine hundred ninety-nine thousand, nine hundred ninety-nine".