1323134289 has 12 divisors (see below), whose sum is σ = 1928108676. Its totient is φ = 874282752.

The previous prime is 1323134257. The next prime is 1323134311. The reversal of 1323134289 is 9824313231.

1323134289 is a `hidden beast` number, since 1 + 3 + 231 + 342 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 285779025 + 1037355264 = 16905^2 + 32208^2 .

It is not a de Polignac number, because 1323134289 - 2⁵ = 1323134257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1323134389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 649492 + ... + 651525.

It is an arithmetic number, because the mean of its divisors is an integer number (160675723).

Almost surely, 2^1323134289 is an apocalyptic number.

It is an amenable number.

1323134289 is a deficient number, since it is larger than the sum of its proper divisors (604974387).

1323134289 is a wasteful number, since it uses less digits than its factorization.

1323134289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301136 (or 1301133 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1323134289 is about 36374.9129071122. The cubic root of 1323134289 is about 1097.8288549479.

The spelling of 1323134289 in words is "one billion, three hundred twenty-three million, one hundred thirty-four thousand, two hundred eighty-nine".