1344134421 has 24 divisors (see below), whose sum is σ = 2315364480. Its totient is φ = 734681376.

The previous prime is 1344134381. The next prime is 1344134443. The reversal of 1344134421 is 1244314431.

It is not a de Polignac number, because 1344134421 - 2⁶ = 1344134357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344134471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 462366 + ... + 465263.

It is an arithmetic number, because the mean of its divisors is an integer number (96473520).

Almost surely, 2^1344134421 is an apocalyptic number.

It is an amenable number.

1344134421 is a deficient number, since it is larger than the sum of its proper divisors (971230059).

1344134421 is a wasteful number, since it uses less digits than its factorization.

1344134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927665 (or 927662 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1344134421 is about 36662.4388304979. The cubic root of 1344134421 is about 1103.6064607294.

Adding to 1344134421 its reverse (1244314431), we get a palindrome (2588448852).

The spelling of 1344134421 in words is "one billion, three hundred forty-four million, one hundred thirty-four thousand, four hundred twenty-one".