1336449005 has 6 divisors (see below), whose sum is σ = 1603836906. Its totient is φ = 1069093808.

The previous prime is 1336449001. The next prime is 1336449011. The reversal of 1336449005 is 5009446331.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 3541924 + 1332907081 = 1882^2 + 36509^2 .

It is not a de Polignac number, because 1336449005 - 2² = 1336449001 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 (1336449001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 73571 + ... + 89919.

It is an arithmetic number, because the mean of its divisors is an integer number (267306151).

Almost surely, 2^1336449005 is an apocalyptic number.

It is an amenable number.

1336449005 is a deficient number, since it is larger than the sum of its proper divisors (267387901).

1336449005 is an frugal number, since it uses more digits than its factorization.

1336449005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32703 (or 16354 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 1336449005 is about 36557.4753641441. The cubic root of 1336449005 is about 1101.4990594875.

The spelling of 1336449005 in words is "one billion, three hundred thirty-six million, four hundred forty-nine thousand, five".