1326711340 has 24 divisors (see below), whose sum is σ = 2875969152. Its totient is φ = 513565440.

The previous prime is 1326711319. The next prime is 1326711349. The reversal of 1326711340 is 431176231.

It is a junction number, because it is equal to n+sod(n) for n = 1326711299 and 1326711308.

It is not an unprimeable number, because it can be changed into a prime (1326711349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069309 + ... + 1070548.

It is an arithmetic number, because the mean of its divisors is an integer number (119832048).

Almost surely, 2^1326711340 is an apocalyptic number.

1326711340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326711340 is an abundant number, since it is smaller than the sum of its proper divisors (1549257812).

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

1326711340 is a wasteful number, since it uses less digits than its factorization.

1326711340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139897 (or 2139895 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1326711340 is about 36424.0489237537. The cubic root of 1326711340 is about 1098.8172797589.

Adding to 1326711340 its reverse (431176231), we get a palindrome (1757887571).

The spelling of 1326711340 in words is "one billion, three hundred twenty-six million, seven hundred eleven thousand, three hundred forty".