1330402871 has 12 divisors (see below), whose sum is σ = 1552223088. Its totient is φ = 1136947392.

The previous prime is 1330402867. The next prime is 1330402889. The reversal of 1330402871 is 1782040331.

It is not a de Polignac number, because 1330402871 - 2² = 1330402867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330402831) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 23771 + ... + 56796.

It is an arithmetic number, because the mean of its divisors is an integer number (129351924).

Almost surely, 2^1330402871 is an apocalyptic number.

1330402871 is a deficient number, since it is larger than the sum of its proper divisors (221820217).

1330402871 is an equidigital number, since it uses as much as digits as its factorization.

1330402871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80918 (or 80911 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1330402871 is about 36474.6880863977. The cubic root of 1330402871 is about 1099.8354770470.

The spelling of 1330402871 in words is "one billion, three hundred thirty million, four hundred two thousand, eight hundred seventy-one".