1326926329 has 9 divisors (see below), whose sum is σ = 1348053903. Its totient is φ = 1306126512.

The previous prime is 1326926311. The next prime is 1326926333. The reversal of 1326926329 is 9236296231.

The square root of 1326926329 is 36427.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 753228025 + 573698304 = 27445^2 + 23952^2 .

It is not a de Polignac number, because 1326926329 - 2¹¹ = 1326924281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326926339) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2658922 + ... + 2659420.

It is an arithmetic number, because the mean of its divisors is an integer number (149783767).

Almost surely, 2^1326926329 is an apocalyptic number.

1326926329 is the 36427-th square number.

1326926329 is the 18214-th centered octagonal number.

It is an amenable number.

1326926329 is a deficient number, since it is larger than the sum of its proper divisors (21127574).

1326926329 is an frugal number, since it uses more digits than its factorization.

1326926329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 572 counting only the distinct ones).

The product of its digits is 209952, while the sum is 43.

The cubic root of 1326926329 is about 1098.8766297375.

The spelling of 1326926329 in words is "one billion, three hundred twenty-six million, nine hundred twenty-six thousand, three hundred twenty-nine".