1330328138 has 16 divisors (see below), whose sum is σ = 2071367424. Its totient is φ = 640336560.

The previous prime is 1330328113. The next prime is 1330328161. The reversal of 1330328138 is 8318230331.

It is a Curzon number.

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, 110270 + ... + 121737.

It is an arithmetic number, because the mean of its divisors is an integer number (129460464).

Almost surely, 2^1330328138 is an apocalyptic number.

1330328138 is a deficient number, since it is larger than the sum of its proper divisors (741039286).

1330328138 is a wasteful number, since it uses less digits than its factorization.

1330328138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232117.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1330328138 is about 36473.6636218519. The cubic root of 1330328138 is about 1099.8148828983.

Adding to 1330328138 its reverse (8318230331), we get a palindrome (9648558469).

The spelling of 1330328138 in words is "one billion, three hundred thirty million, three hundred twenty-eight thousand, one hundred thirty-eight".