134021964889 has 2 divisors, whose sum is σ = 134021964890. Its totient is φ = 134021964888.

The previous prime is 134021964887. The next prime is 134021964917. The reversal of 134021964889 is 988469120431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132958683225 + 1063281664 = 364635^2 + 32608^2 .

It is a cyclic number.

It is not a de Polignac number, because 134021964889 - 2¹ = 134021964887 is a prime.

Together with 134021964887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (134021964887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67010982444 + 67010982445.

It is an arithmetic number, because the mean of its divisors is an integer number (67010982445).

Almost surely, 2^134021964889 is an apocalyptic number.

It is an amenable number.

134021964889 is a deficient number, since it is larger than the sum of its proper divisors (1).

134021964889 is an equidigital number, since it uses as much as digits as its factorization.

134021964889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 134021964889 in words is "one hundred thirty-four billion, twenty-one million, nine hundred sixty-four thousand, eight hundred eighty-nine".