1330484138 has 4 divisors (see below), whose sum is σ = 1995726210. Its totient is φ = 665242068.

The previous prime is 1330484093. The next prime is 1330484143. The reversal of 1330484138 is 8314840331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 970509409 + 359974729 = 31153^2 + 18973^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1330484098 and 1330484107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332621033 + ... + 332621036.

Almost surely, 2^1330484138 is an apocalyptic number.

1330484138 is a deficient number, since it is larger than the sum of its proper divisors (665242072).

1330484138 is an equidigital number, since it uses as much as digits as its factorization.

1330484138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665242071.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 1330484138 is about 36475.8020885079. The cubic root of 1330484138 is about 1099.8578708927.

The spelling of 1330484138 in words is "one billion, three hundred thirty million, four hundred eighty-four thousand, one hundred thirty-eight".