1326266349 has 8 divisors (see below), whose sum is σ = 1770352320. Its totient is φ = 883178976.

The previous prime is 1326266327. The next prime is 1326266363. The reversal of 1326266349 is 9436626231.

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

It is not a de Polignac number, because 1326266349 - 2⁵ = 1326266317 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1326266349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326266399) 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, 246544 + ... + 251865.

It is an arithmetic number, because the mean of its divisors is an integer number (221294040).

Almost surely, 2^1326266349 is an apocalyptic number.

It is an amenable number.

1326266349 is a deficient number, since it is larger than the sum of its proper divisors (444085971).

1326266349 is an equidigital number, since it uses as much as digits as its factorization.

1326266349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499299.

The product of its digits is 279936, while the sum is 42.

The square root of 1326266349 is about 36417.9399334998. The cubic root of 1326266349 is about 1098.6944149319.

The spelling of 1326266349 in words is "one billion, three hundred twenty-six million, two hundred sixty-six thousand, three hundred forty-nine".