1330516538 has 16 divisors (see below), whose sum is σ = 2169387360. Its totient is φ = 608344176.

The previous prime is 1330516529. The next prime is 1330516541. The reversal of 1330516538 is 8356150331.

It is a junction number, because it is equal to n+sod(n) for n = 1330516498 and 1330516507.

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, 236348 + ... + 241911.

It is an arithmetic number, because the mean of its divisors is an integer number (135586710).

Almost surely, 2^1330516538 is an apocalyptic number.

1330516538 is a deficient number, since it is larger than the sum of its proper divisors (838870822).

1330516538 is a wasteful number, since it uses less digits than its factorization.

1330516538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478381.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1330516538 is about 36476.2462158594. The cubic root of 1330516538 is about 1099.8667987471.

Adding to 1330516538 its reverse (8356150331), we get a palindrome (9686666869).

The spelling of 1330516538 in words is "one billion, three hundred thirty million, five hundred sixteen thousand, five hundred thirty-eight".