134321429989 has 2 divisors, whose sum is σ = 134321429990. Its totient is φ = 134321429988.

The previous prime is 134321429987. The next prime is 134321430043. The reversal of 134321429989 is 989924123431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103754852100 + 30566577889 = 322110^2 + 174833^2 .

It is an emirp because it is prime and its reverse (989924123431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134321429989 - 2¹ = 134321429987 is a prime.

Together with 134321429987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134321429987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67160714994 + 67160714995.

It is an arithmetic number, because the mean of its divisors is an integer number (67160714995).

Almost surely, 2^134321429989 is an apocalyptic number.

It is an amenable number.

134321429989 is a deficient number, since it is larger than the sum of its proper divisors (1).

134321429989 is an equidigital number, since it uses as much as digits as its factorization.

134321429989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 55.

The spelling of 134321429989 in words is "one hundred thirty-four billion, three hundred twenty-one million, four hundred twenty-nine thousand, nine hundred eighty-nine".