134581169769 has 16 divisors (see below), whose sum is σ = 181906379520. Its totient is φ = 88490787840.

The previous prime is 134581169747. The next prime is 134581169773. The reversal of 134581169769 is 967961185431.

It is not a de Polignac number, because 134581169769 - 2⁹ = 134581169257 is a prime.

It is a super-2 number, since 2×134581169769² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (134581869769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78712 + ... + 524745.

It is an arithmetic number, because the mean of its divisors is an integer number (11369148720).

Almost surely, 2^134581169769 is an apocalyptic number.

It is an amenable number.

134581169769 is a deficient number, since it is larger than the sum of its proper divisors (47325209751).

134581169769 is an equidigital number, since it uses as much as digits as its factorization.

134581169769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604480.

The product of its digits is 9797760, while the sum is 60.

The spelling of 134581169769 in words is "one hundred thirty-four billion, five hundred eighty-one million, one hundred sixty-nine thousand, seven hundred sixty-nine".