134145564589 has 2 divisors, whose sum is σ = 134145564590. Its totient is φ = 134145564588.

The previous prime is 134145564541. The next prime is 134145564593. The reversal of 134145564589 is 985465541431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130671405225 + 3474159364 = 361485^2 + 58942^2 .

It is a cyclic number.

It is not a de Polignac number, because 134145564589 - 2¹³ = 134145556397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134145564089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67072782294 + 67072782295.

It is an arithmetic number, because the mean of its divisors is an integer number (67072782295).

Almost surely, 2^134145564589 is an apocalyptic number.

It is an amenable number.

134145564589 is a deficient number, since it is larger than the sum of its proper divisors (1).

134145564589 is an equidigital number, since it uses as much as digits as its factorization.

134145564589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368000, while the sum is 55.

The spelling of 134145564589 in words is "one hundred thirty-four billion, one hundred forty-five million, five hundred sixty-four thousand, five hundred eighty-nine".