1344005111 has 8 divisors (see below), whose sum is σ = 1379823984. Its totient is φ = 1308573760.

The previous prime is 1344005107. The next prime is 1344005149. The reversal of 1344005111 is 1115004431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1344005111 - 2² = 1344005107 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 (1344005011) 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, 89846 + ... + 103731.

It is an arithmetic number, because the mean of its divisors is an integer number (172477998).

Almost surely, 2^1344005111 is an apocalyptic number.

1344005111 is a deficient number, since it is larger than the sum of its proper divisors (35818873).

1344005111 is a wasteful number, since it uses less digits than its factorization.

1344005111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193761.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1344005111 is about 36660.6752665578. The cubic root of 1344005111 is about 1103.5710694457.

Adding to 1344005111 its reverse (1115004431), we get a palindrome (2459009542).

The spelling of 1344005111 in words is "one billion, three hundred forty-four million, five thousand, one hundred eleven".