1338326705 has 8 divisors (see below), whose sum is σ = 1606410792. Its totient is φ = 1070382208.

The previous prime is 1338326701. The next prime is 1338326707. The reversal of 1338326705 is 5076238331.

It can be written as a sum of positive squares in 4 ways, for example, as 10816 + 1338315889 = 104^2 + 36583^2 .

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 1338326705 - 2² = 1338326701 is a prime.

It is a super-2 number, since 2×1338326705² = 3582236738632314050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338326701) 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, 12494 + ... + 53223.

It is an arithmetic number, because the mean of its divisors is an integer number (200801349).

Almost surely, 2^1338326705 is an apocalyptic number.

It is an amenable number.

1338326705 is a deficient number, since it is larger than the sum of its proper divisors (268084087).

1338326705 is an equidigital number, since it uses as much as digits as its factorization.

1338326705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69795.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 1338326705 is about 36583.1478279275. The cubic root of 1338326705 is about 1102.0146838249.

The spelling of 1338326705 in words is "one billion, three hundred thirty-eight million, three hundred twenty-six thousand, seven hundred five".