1344905219 has 8 divisors (see below), whose sum is σ = 1538237280. Its totient is φ = 1151873856.

The previous prime is 1344905171. The next prime is 1344905227. The reversal of 1344905219 is 9125094431.

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

It is a de Polignac number, because none of the positive numbers 2^k-1344905219 is a prime.

It is a super-2 number, since 2×1344905219² = 3617540096186875922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1344905249) 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, 65504 + ... + 83549.

It is an arithmetic number, because the mean of its divisors is an integer number (192279660).

Almost surely, 2^1344905219 is an apocalyptic number.

1344905219 is a deficient number, since it is larger than the sum of its proper divisors (193332061).

1344905219 is a wasteful number, since it uses less digits than its factorization.

1344905219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150349.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 1344905219 is about 36672.9494177929. The cubic root of 1344905219 is about 1103.8173759194.

The spelling of 1344905219 in words is "one billion, three hundred forty-four million, nine hundred five thousand, two hundred nineteen".