1330303140 has 36 divisors (see below), whose sum is σ = 4035253404. Its totient is φ = 354747456.

The previous prime is 1330303099. The next prime is 1330303171. The reversal of 1330303140 is 413030331.

It can be written as a sum of positive squares in 2 ways, for example, as 371409984 + 958893156 = 19272^2 + 30966^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3695107 + ... + 3695466.

Almost surely, 2^1330303140 is an apocalyptic number.

1330303140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330303140 is an abundant number, since it is smaller than the sum of its proper divisors (2704950264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1330303140 is a wasteful number, since it uses less digits than its factorization.

1330303140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390588 (or 7390583 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1330303140 is about 36473.3209346229. The cubic root of 1330303140 is about 1099.8079940353.

Adding to 1330303140 its reverse (413030331), we get a palindrome (1743333471).

The spelling of 1330303140 in words is "one billion, three hundred thirty million, three hundred three thousand, one hundred forty".