134669334681 has 24 divisors (see below), whose sum is σ = 226848252800. Its totient is φ = 76953903768.

The previous prime is 134669334659. The next prime is 134669334689. The reversal of 134669334681 is 186433966431.

134669334681 is a `hidden beast` number, since 1 + 3 + 466 + 93 + 34 + 68 + 1 = 666.

It is not a de Polignac number, because 134669334681 - 2¹³ = 134669326489 is a prime.

It is a super-2 number, since 2×134669334681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134669334689) 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 in 23 ways as a sum of consecutive naturals, for example, 21809245 + ... + 21815418.

Almost surely, 2^134669334681 is an apocalyptic number.

It is an amenable number.

134669334681 is a deficient number, since it is larger than the sum of its proper divisors (92178918119).

134669334681 is an equidigital number, since it uses as much as digits as its factorization.

134669334681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43624690 (or 43624673 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The spelling of 134669334681 in words is "one hundred thirty-four billion, six hundred sixty-nine million, three hundred thirty-four thousand, six hundred eighty-one".