1330498745 has 8 divisors (see below), whose sum is σ = 1596812616. Its totient is φ = 1064256256.

The previous prime is 1330498739. The next prime is 1330498777. The reversal of 1330498745 is 5478940331.

It can be written as a sum of positive squares in 4 ways, for example, as 479434816 + 851063929 = 21896^2 + 29173^2 .

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 1330498745 - 2⁶ = 1330498681 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330498696 and 1330498705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40529 + ... + 65601.

It is an arithmetic number, because the mean of its divisors is an integer number (199601577).

Almost surely, 2^1330498745 is an apocalyptic number.

It is an amenable number.

1330498745 is a deficient number, since it is larger than the sum of its proper divisors (266313871).

1330498745 is a wasteful number, since it uses less digits than its factorization.

1330498745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35691.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 1330498745 is about 36476.0023165917. The cubic root of 1330498745 is about 1099.8618958850.

The spelling of 1330498745 in words is "one billion, three hundred thirty million, four hundred ninety-eight thousand, seven hundred forty-five".