134347817585 has 16 divisors (see below), whose sum is σ = 166882507200. Its totient is φ = 103706210496.

The previous prime is 134347817581. The next prime is 134347817623. The reversal of 134347817585 is 585718743431.

It is not a de Polignac number, because 134347817585 - 2² = 134347817581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134347817585.

It is not an unprimeable number, because it can be changed into a prime (134347817581) 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 in 15 ways as a sum of consecutive naturals, for example, 64439 + ... + 522348.

It is an arithmetic number, because the mean of its divisors is an integer number (10430156700).

Almost surely, 2^134347817585 is an apocalyptic number.

It is an amenable number.

134347817585 is a deficient number, since it is larger than the sum of its proper divisors (32534689615).

134347817585 is a wasteful number, since it uses less digits than its factorization.

134347817585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588400.

The product of its digits is 11289600, while the sum is 56.

The spelling of 134347817585 in words is "one hundred thirty-four billion, three hundred forty-seven million, eight hundred seventeen thousand, five hundred eighty-five".