1329052806 has 32 divisors (see below), whose sum is σ = 2957644800. Its totient is φ = 442388520.

The previous prime is 1329052799. The next prime is 1329052853. The reversal of 1329052806 is 6082509231.

It is a super-2 number, since 2×1329052806² = 3532762722272947272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21711 + ... + 55941.

It is an arithmetic number, because the mean of its divisors is an integer number (92426400).

Almost surely, 2^1329052806 is an apocalyptic number.

1329052806 is an abundant number, since it is smaller than the sum of its proper divisors (1628591994).

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

1329052806 is a wasteful number, since it uses less digits than its factorization.

1329052806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34961 (or 34955 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1329052806 is about 36456.1765137267. The cubic root of 1329052806 is about 1099.4633211225.

The spelling of 1329052806 in words is "one billion, three hundred twenty-nine million, fifty-two thousand, eight hundred six".