13144003421 has 8 divisors (see below), whose sum is σ = 13527833760. Its totient is φ = 12765541552.

The previous prime is 13144003417. The next prime is 13144003427. The reversal of 13144003421 is 12430044131.

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 13144003421 - 2² = 13144003417 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 (13144003427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1337150 + ... + 1346943.

It is an arithmetic number, because the mean of its divisors is an integer number (1690979220).

Almost surely, 2^13144003421 is an apocalyptic number.

It is an amenable number.

13144003421 is a deficient number, since it is larger than the sum of its proper divisors (383830339).

13144003421 is an equidigital number, since it uses as much as digits as its factorization.

13144003421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684235.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13144003421 its reverse (12430044131), we get a palindrome (25574047552).

The spelling of 13144003421 in words is "thirteen billion, one hundred forty-four million, three thousand, four hundred twenty-one".