134331289 has 2 divisors, whose sum is σ = 134331290. Its totient is φ = 134331288.

The previous prime is 134331287. The next prime is 134331319. The reversal of 134331289 is 982133431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132641289 + 1690000 = 11517^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 134331289 - 2¹ = 134331287 is a prime.

Together with 134331287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134331283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67165644 + 67165645.

It is an arithmetic number, because the mean of its divisors is an integer number (67165645).

Almost surely, 2^134331289 is an apocalyptic number.

It is an amenable number.

134331289 is a deficient number, since it is larger than the sum of its proper divisors (1).

134331289 is an equidigital number, since it uses as much as digits as its factorization.

134331289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 34.

The square root of 134331289 is about 11590.1375746796. The cubic root of 134331289 is about 512.1443595724.

The spelling of 134331289 in words is "one hundred thirty-four million, three hundred thirty-one thousand, two hundred eighty-nine".