135054173 has 4 divisors (see below), whose sum is σ = 135188508. Its totient is φ = 134919840.

The previous prime is 135054163. The next prime is 135054191. The reversal of 135054173 is 371450531.

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 48135844 + 86918329 = 6938^2 + 9323^2 .

It is a cyclic number.

It is not a de Polignac number, because 135054173 - 2¹⁴ = 135037789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135054163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65648 + ... + 67673.

It is an arithmetic number, because the mean of its divisors is an integer number (33797127).

Almost surely, 2^135054173 is an apocalyptic number.

It is an amenable number.

135054173 is a deficient number, since it is larger than the sum of its proper divisors (134335).

135054173 is a wasteful number, since it uses less digits than its factorization.

135054173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134334.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 135054173 is about 11621.2810395412. The cubic root of 135054173 is about 513.0613929948.

The spelling of 135054173 in words is "one hundred thirty-five million, fifty-four thousand, one hundred seventy-three".