134782906969 has 2 divisors, whose sum is σ = 134782906970. Its totient is φ = 134782906968.

The previous prime is 134782906967. The next prime is 134782907003. The reversal of 134782906969 is 969609287431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116803315225 + 17979591744 = 341765^2 + 134088^2 .

It is an emirp because it is prime and its reverse (969609287431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134782906969 - 2¹ = 134782906967 is a prime.

It is a super-2 number, since 2×134782906969² (a number of 23 digits) contains 22 as substring.

Together with 134782906967, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 134782906969.

It is not a weakly prime, because it can be changed into another prime (134782906967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67391453484 + 67391453485.

It is an arithmetic number, because the mean of its divisors is an integer number (67391453485).

Almost surely, 2^134782906969 is an apocalyptic number.

It is an amenable number.

134782906969 is a deficient number, since it is larger than the sum of its proper divisors (1).

134782906969 is an equidigital number, since it uses as much as digits as its factorization.

134782906969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 64.

The spelling of 134782906969 in words is "one hundred thirty-four billion, seven hundred eighty-two million, nine hundred six thousand, nine hundred sixty-nine".