1344001005 has 40 divisors (see below), whose sum is σ = 2536063200. Its totient is φ = 679070304.

The previous prime is 1344000979. The next prime is 1344001007. The reversal of 1344001005 is 5001004431.

It is a happy number.

It is not a de Polignac number, because 1344001005 - 2⁶ = 1344000941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344001007) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 79635 + ... + 95024.

It is an arithmetic number, because the mean of its divisors is an integer number (63401580).

Almost surely, 2^1344001005 is an apocalyptic number.

1344001005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1344001005 is a deficient number, since it is larger than the sum of its proper divisors (1192062195).

1344001005 is a wasteful number, since it uses less digits than its factorization.

1344001005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174695 (or 174686 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1344001005 is about 36660.6192664554. The cubic root of 1344001005 is about 1103.5699456237.

Adding to 1344001005 its reverse (5001004431), we get a palindrome (6345005436).

The spelling of 1344001005 in words is "one billion, three hundred forty-four million, one thousand, five".