1326135313 has 16 divisors (see below), whose sum is σ = 1367150400. Its totient is φ = 1285816896.

The previous prime is 1326135259. The next prime is 1326135323. The reversal of 1326135313 is 3135316231.

It is a cyclic number.

It is not a de Polignac number, because 1326135313 - 2²⁹ = 789264401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326135323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2424106 + ... + 2424652.

It is an arithmetic number, because the mean of its divisors is an integer number (85446900).

Almost surely, 2^1326135313 is an apocalyptic number.

It is an amenable number.

1326135313 is a deficient number, since it is larger than the sum of its proper divisors (41015087).

1326135313 is a wasteful number, since it uses less digits than its factorization.

1326135313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its digits is 4860, while the sum is 28.

The square root of 1326135313 is about 36416.1408306811. The cubic root of 1326135313 is about 1098.6582298264.

The spelling of 1326135313 in words is "one billion, three hundred twenty-six million, one hundred thirty-five thousand, three hundred thirteen".