134644229 has 2 divisors, whose sum is σ = 134644230. Its totient is φ = 134644228.

The previous prime is 134644219. The next prime is 134644249. The reversal of 134644229 is 922446431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73444900 + 61199329 = 8570^2 + 7823^2 .

It is a cyclic number.

It is not a de Polignac number, because 134644229 - 2¹⁶ = 134578693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134644219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67322114 + 67322115.

It is an arithmetic number, because the mean of its divisors is an integer number (67322115).

Almost surely, 2^134644229 is an apocalyptic number.

It is an amenable number.

134644229 is a deficient number, since it is larger than the sum of its proper divisors (1).

134644229 is an equidigital number, since it uses as much as digits as its factorization.

134644229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 35.

The square root of 134644229 is about 11603.6299923774. The cubic root of 134644229 is about 512.5417506340.

The spelling of 134644229 in words is "one hundred thirty-four million, six hundred forty-four thousand, two hundred twenty-nine".