134188205 has 4 divisors (see below), whose sum is σ = 161025852. Its totient is φ = 107350560.

The previous prime is 134188199. The next prime is 134188207. The reversal of 134188205 is 502881431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45414121 + 88774084 = 6739^2 + 9422^2 .

It is a de Polignac number, because none of the positive numbers 2^k-134188205 is a prime.

It is a super-2 number, since 2×134188205² = 36012948722244050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134188207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13418816 + ... + 13418825.

It is an arithmetic number, because the mean of its divisors is an integer number (40256463).

Almost surely, 2^134188205 is an apocalyptic number.

It is an amenable number.

134188205 is a deficient number, since it is larger than the sum of its proper divisors (26837647).

134188205 is an equidigital number, since it uses as much as digits as its factorization.

134188205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26837646.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 134188205 is about 11583.9632682429. The cubic root of 134188205 is about 511.9624568114.

The spelling of 134188205 in words is "one hundred thirty-four million, one hundred eighty-eight thousand, two hundred five".