134206173 has 16 divisors (see below), whose sum is σ = 207469440. Its totient is φ = 85580352.

The previous prime is 134206169. The next prime is 134206181. The reversal of 134206173 is 371602431.

134206173 is a `hidden beast` number, since 1 + 3 + 42 + 0 + 617 + 3 = 666.

It is not a de Polignac number, because 134206173 - 2² = 134206169 is a prime.

It is a super-2 number, since 2×134206173² = 36022593742611858, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134206153) 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, 107436 + ... + 108677.

It is an arithmetic number, because the mean of its divisors is an integer number (12966840).

Almost surely, 2^134206173 is an apocalyptic number.

It is an amenable number.

134206173 is a deficient number, since it is larger than the sum of its proper divisors (73263267).

134206173 is a wasteful number, since it uses less digits than its factorization.

134206173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216145 (or 216139 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 134206173 is about 11584.7387972280. The cubic root of 134206173 is about 511.9853066360.

It can be divided in two parts, 13420617 and 3, that multiplied together give a triangular number (40261851 = T₈₉₇₃).

The spelling of 134206173 in words is "one hundred thirty-four million, two hundred six thousand, one hundred seventy-three".