1326132613 has 8 divisors (see below), whose sum is σ = 1428717528. Its totient is φ = 1223629824.

The previous prime is 1326132553. The next prime is 1326132653. The reversal of 1326132613 is 3162316231.

It can be written as a sum of positive squares in 4 ways, for example, as 41770369 + 1284362244 = 6463^2 + 35838^2 .

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 1326132613 - 2¹³ = 1326124421 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 (1326132653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15345 + ... + 53737.

It is an arithmetic number, because the mean of its divisors is an integer number (178589691).

Almost surely, 2^1326132613 is an apocalyptic number.

1326132613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1326132613 is a deficient number, since it is larger than the sum of its proper divisors (102584915).

1326132613 is a wasteful number, since it uses less digits than its factorization.

1326132613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41063.

The product of its digits is 3888, while the sum is 28.

The square root of 1326132613 is about 36416.1037591887. The cubic root of 1326132613 is about 1098.6574842064.

Adding to 1326132613 its reverse (3162316231), we get a palindrome (4488448844).

The spelling of 1326132613 in words is "one billion, three hundred twenty-six million, one hundred thirty-two thousand, six hundred thirteen".