134435884969 has 2 divisors, whose sum is σ = 134435884970. Its totient is φ = 134435884968.

The previous prime is 134435884963. The next prime is 134435885021. The reversal of 134435884969 is 969488534431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90676265625 + 43759619344 = 301125^2 + 209188^2 .

It is an emirp because it is prime and its reverse (969488534431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134435884969 - 2⁵ = 134435884937 is a prime.

It is a super-2 number, since 2×134435884969² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134435884969.

It is not a weakly prime, because it can be changed into another prime (134435884963) 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, 67217942484 + 67217942485.

It is an arithmetic number, because the mean of its divisors is an integer number (67217942485).

Almost surely, 2^134435884969 is an apocalyptic number.

It is an amenable number.

134435884969 is a deficient number, since it is larger than the sum of its proper divisors (1).

134435884969 is an equidigital number, since it uses as much as digits as its factorization.

134435884969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89579520, while the sum is 64.

The spelling of 134435884969 in words is "one hundred thirty-four billion, four hundred thirty-five million, eight hundred eighty-four thousand, nine hundred sixty-nine".