134323918889 has 2 divisors, whose sum is σ = 134323918890. Its totient is φ = 134323918888.

The previous prime is 134323918873. The next prime is 134323918969. The reversal of 134323918889 is 988819323431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98482992400 + 35840926489 = 313820^2 + 189317^2 .

It is a cyclic number.

It is not a de Polignac number, because 134323918889 - 2⁴ = 134323918873 is a prime.

It is not a weakly prime, because it can be changed into another prime (134323918829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67161959444 + 67161959445.

It is an arithmetic number, because the mean of its divisors is an integer number (67161959445).

Almost surely, 2^134323918889 is an apocalyptic number.

It is an amenable number.

134323918889 is a deficient number, since it is larger than the sum of its proper divisors (1).

134323918889 is an equidigital number, since it uses as much as digits as its factorization.

134323918889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8957952, while the sum is 59.

The spelling of 134323918889 in words is "one hundred thirty-four billion, three hundred twenty-three million, nine hundred eighteen thousand, eight hundred eighty-nine".