1330686971 has 8 divisors (see below), whose sum is σ = 1346492160. Its totient is φ = 1314900928.

The previous prime is 1330686967. The next prime is 1330686977. The reversal of 1330686971 is 1796860331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330686971 - 2² = 1330686967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330686977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173990 + ... + 181476.

It is an arithmetic number, because the mean of its divisors is an integer number (168311520).

Almost surely, 2^1330686971 is an apocalyptic number.

1330686971 is a deficient number, since it is larger than the sum of its proper divisors (15805189).

1330686971 is an equidigital number, since it uses as much as digits as its factorization.

1330686971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 1330686971 is about 36478.5823600644. The cubic root of 1330686971 is about 1099.9137593546.

The spelling of 1330686971 in words is "one billion, three hundred thirty million, six hundred eighty-six thousand, nine hundred seventy-one".