134188144489 has 27 divisors (see below), whose sum is σ = 159942407607. Its totient is φ = 112251250944.

The previous prime is 134188144487. The next prime is 134188144507. The reversal of 134188144489 is 984441881431.

The square root of 134188144489 is 366317.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 45030962025 + 89157182464 = 212205^2 + 298592^2 .

It is not a de Polignac number, because 134188144489 - 2¹ = 134188144487 is a prime.

It is a super-2 number, since 2×134188144489² (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 (134188144481) 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 26 ways as a sum of consecutive naturals, for example, 110260809 + ... + 110262025.

Almost surely, 2^134188144489 is an apocalyptic number.

134188144489 is the 366317-th square number.

134188144489 is the 183159-th centered octagonal number.

It is an amenable number.

134188144489 is a deficient number, since it is larger than the sum of its proper divisors (25754263118).

134188144489 is an frugal number, since it uses more digits than its factorization.

134188144489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534 (or 1267 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 55.

The spelling of 134188144489 in words is "one hundred thirty-four billion, one hundred eighty-eight million, one hundred forty-four thousand, four hundred eighty-nine".