1330152785 has 8 divisors (see below), whose sum is σ = 1718966760. Its totient is φ = 982266624.

The previous prime is 1330152757. The next prime is 1330152787. The reversal of 1330152785 is 5872510331.

It can be written as a sum of positive squares in 4 ways, for example, as 282206401 + 1047946384 = 16799^2 + 32372^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330152785 - 2²⁰ = 1329104209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330152787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10231880 + ... + 10232009.

It is an arithmetic number, because the mean of its divisors is an integer number (214870845).

Almost surely, 2^1330152785 is an apocalyptic number.

It is an amenable number.

1330152785 is a deficient number, since it is larger than the sum of its proper divisors (388813975).

1330152785 is a wasteful number, since it uses less digits than its factorization.

1330152785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20463907.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 1330152785 is about 36471.2597122721. The cubic root of 1330152785 is about 1099.7665579004.

The spelling of 1330152785 in words is "one billion, three hundred thirty million, one hundred fifty-two thousand, seven hundred eighty-five".