1330344140 has 12 divisors (see below), whose sum is σ = 2793722736. Its totient is φ = 532137648.

The previous prime is 1330344133. The next prime is 1330344157. The reversal of 1330344140 is 414430331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33258584 + ... + 33258623.

It is an arithmetic number, because the mean of its divisors is an integer number (232810228).

Almost surely, 2^1330344140 is an apocalyptic number.

1330344140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1330344140 is an abundant number, since it is smaller than the sum of its proper divisors (1463378596).

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

1330344140 is a wasteful number, since it uses less digits than its factorization.

1330344140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66517216 (or 66517214 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1330344140 is about 36473.8829849524. The cubic root of 1330344140 is about 1099.8192926292.

Adding to 1330344140 its reverse (414430331), we get a palindrome (1744774471).

The spelling of 1330344140 in words is "one billion, three hundred thirty million, three hundred forty-four thousand, one hundred forty".