134371789 has 2 divisors, whose sum is σ = 134371790. Its totient is φ = 134371788.

The previous prime is 134371759. The next prime is 134371813. The reversal of 134371789 is 987173431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131675625 + 2696164 = 11475^2 + 1642^2 .

It is a cyclic number.

It is not a de Polignac number, because 134371789 - 2⁷ = 134371661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134371709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67185894 + 67185895.

It is an arithmetic number, because the mean of its divisors is an integer number (67185895).

Almost surely, 2^134371789 is an apocalyptic number.

It is an amenable number.

134371789 is a deficient number, since it is larger than the sum of its proper divisors (1).

134371789 is an equidigital number, since it uses as much as digits as its factorization.

134371789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 43.

The square root of 134371789 is about 11591.8846181283. The cubic root of 134371789 is about 512.1958237859.

The spelling of 134371789 in words is "one hundred thirty-four million, three hundred seventy-one thousand, seven hundred eighty-nine".