134645166 has 40 divisors (see below), whose sum is σ = 303308280. Its totient is φ = 44643312.

The previous prime is 134645141. The next prime is 134645171. The reversal of 134645166 is 661546431.

It is a happy number.

134645166 is a `hidden beast` number, since 1 + 3 + 4 + 645 + 1 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 134645166.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 29805 + ... + 34023.

It is an arithmetic number, because the mean of its divisors is an integer number (7582707).

Almost surely, 2^134645166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134645166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151654140).

134645166 is an abundant number, since it is smaller than the sum of its proper divisors (168663114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134645166 is a wasteful number, since it uses less digits than its factorization.

134645166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4430 (or 4421 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 134645166 is about 11603.6703676035. The cubic root of 134645166 is about 512.5429395710.

The spelling of 134645166 in words is "one hundred thirty-four million, six hundred forty-five thousand, one hundred sixty-six".