1344823138 has 8 divisors (see below), whose sum is σ = 2017428588. Its totient is φ = 672346944.

The previous prime is 1344823069. The next prime is 1344823153. The reversal of 1344823138 is 8313284431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1121111289 + 223711849 = 33483^2 + 14957^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1344823097 and 1344823106.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 270 + ... + 51862.

Almost surely, 2^1344823138 is an apocalyptic number.

1344823138 is a deficient number, since it is larger than the sum of its proper divisors (672605450).

1344823138 is a wasteful number, since it uses less digits than its factorization.

1344823138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64628.

The product of its digits is 55296, while the sum is 37.

The square root of 1344823138 is about 36671.8303061083. The cubic root of 1344823138 is about 1103.7949197453.

The spelling of 1344823138 in words is "one billion, three hundred forty-four million, eight hundred twenty-three thousand, one hundred thirty-eight".