1144134321 has 8 divisors (see below), whose sum is σ = 1664195424. Its totient is φ = 693414720.

The previous prime is 1144134319. The next prime is 1144134367. The reversal of 1144134321 is 1234314411.

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

It is not a de Polignac number, because 1144134321 - 2¹ = 1144134319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1144134291 and 1144134300.

It is not an unprimeable number, because it can be changed into a prime (1144134311) 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, 17335336 + ... + 17335401.

It is an arithmetic number, because the mean of its divisors is an integer number (208024428).

Almost surely, 2^1144134321 is an apocalyptic number.

1144134321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1144134321 is a deficient number, since it is larger than the sum of its proper divisors (520061103).

1144134321 is a wasteful number, since it uses less digits than its factorization.

1144134321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34670751.

The product of its digits is 1152, while the sum is 24.

The square root of 1144134321 is about 33825.0546341022. The cubic root of 1144134321 is about 1045.9052375988.

Adding to 1144134321 its reverse (1234314411), we get a palindrome (2378448732).

The spelling of 1144134321 in words is "one billion, one hundred forty-four million, one hundred thirty-four thousand, three hundred twenty-one".