134144555185 has 16 divisors (see below), whose sum is σ = 161418990096. Its totient is φ = 107018765568.

The previous prime is 134144555161. The next prime is 134144555189. The reversal of 134144555185 is 581555441431.

It can be written as a sum of positive squares in 8 ways, for example, as 10797495921 + 123347059264 = 103911^2 + 351208^2 .

It is a cyclic number.

It is not a de Polignac number, because 134144555185 - 2¹⁹ = 134144030897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134144555189) 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, 13359987 + ... + 13370023.

It is an arithmetic number, because the mean of its divisors is an integer number (10088686881).

Almost surely, 2^134144555185 is an apocalyptic number.

It is an amenable number.

134144555185 is a deficient number, since it is larger than the sum of its proper divisors (27274434911).

134144555185 is a wasteful number, since it uses less digits than its factorization.

134144555185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17172.

The product of its digits is 960000, while the sum is 46.

The spelling of 134144555185 in words is "one hundred thirty-four billion, one hundred forty-four million, five hundred fifty-five thousand, one hundred eighty-five".