1344130405 has 8 divisors (see below), whose sum is σ = 1614149784. Its totient is φ = 1074508800.

The previous prime is 1344130387. The next prime is 1344130451. The reversal of 1344130405 is 5040314431.

It can be written as a sum of positive squares in 4 ways, for example, as 7935489 + 1336194916 = 2817^2 + 36554^2 .

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-1344130405 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344130405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91956 + ... + 105565.

It is an arithmetic number, because the mean of its divisors is an integer number (201768723).

Almost surely, 2^1344130405 is an apocalyptic number.

It is an amenable number.

1344130405 is a deficient number, since it is larger than the sum of its proper divisors (270019379).

1344130405 is a wasteful number, since it uses less digits than its factorization.

1344130405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198887.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1344130405 is about 36662.3840605054. The cubic root of 1344130405 is about 1103.6053616112.

Adding to 1344130405 its reverse (5040314431), we get a palindrome (6384444836).

The spelling of 1344130405 in words is "one billion, three hundred forty-four million, one hundred thirty thousand, four hundred five".