1144133129 has 4 divisors (see below), whose sum is σ = 1175055684. Its totient is φ = 1113210576.

The previous prime is 1144133119. The next prime is 1144133147. The reversal of 1144133129 is 9213314411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9213314411 = 7 ⋅1316187773.

It can be written as a sum of positive squares in 2 ways, for example, as 849839104 + 294294025 = 29152^2 + 17155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144133129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144133119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15461222 + ... + 15461295.

It is an arithmetic number, because the mean of its divisors is an integer number (293763921).

Almost surely, 2^1144133129 is an apocalyptic number.

It is an amenable number.

1144133129 is a deficient number, since it is larger than the sum of its proper divisors (30922555).

1144133129 is an equidigital number, since it uses as much as digits as its factorization.

1144133129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30922554.

The product of its digits is 2592, while the sum is 29.

The square root of 1144133129 is about 33825.0370140226. The cubic root of 1144133129 is about 1045.9048743782.

The spelling of 1144133129 in words is "one billion, one hundred forty-four million, one hundred thirty-three thousand, one hundred twenty-nine".