134021089 has 2 divisors, whose sum is σ = 134021090. Its totient is φ = 134021088.

The previous prime is 134021053. The next prime is 134021099. The reversal of 134021089 is 980120431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107806689 + 26214400 = 10383^2 + 5120^2 .

It is a cyclic number.

It is not a de Polignac number, because 134021089 - 2⁷ = 134020961 is a prime.

It is not a weakly prime, because it can be changed into another prime (134021099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67010544 + 67010545.

It is an arithmetic number, because the mean of its divisors is an integer number (67010545).

Almost surely, 2^134021089 is an apocalyptic number.

It is an amenable number.

134021089 is a deficient number, since it is larger than the sum of its proper divisors (1).

134021089 is an equidigital number, since it uses as much as digits as its factorization.

134021089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 134021089 is about 11576.7477730147. The cubic root of 134021089 is about 511.7498383732.

The spelling of 134021089 in words is "one hundred thirty-four million, twenty-one thousand, eighty-nine".