1366240105 has 16 divisors (see below), whose sum is σ = 1741544064. Its totient is φ = 1025370880.

The previous prime is 1366240097. The next prime is 1366240111. The reversal of 1366240105 is 5010426631.

It is not a de Polignac number, because 1366240105 - 2³ = 1366240097 is a prime.

It is a super-2 number, since 2×1366240105² = 3733224049020822050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594 + ... + 52276.

It is an arithmetic number, because the mean of its divisors is an integer number (108846504).

Almost surely, 2^1366240105 is an apocalyptic number.

It is an amenable number.

1366240105 is a deficient number, since it is larger than the sum of its proper divisors (375303959).

1366240105 is a wasteful number, since it uses less digits than its factorization.

1366240105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52016.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1366240105 is about 36962.6853055889. The cubic root of 1366240105 is about 1109.6235785015.

Adding to 1366240105 its reverse (5010426631), we get a palindrome (6376666736).

The spelling of 1366240105 in words is "one billion, three hundred sixty-six million, two hundred forty thousand, one hundred five".