135074173 has 8 divisors (see below), whose sum is σ = 153120800. Its totient is φ = 118121328.

The previous prime is 135074153. The next prime is 135074179. The reversal of 135074173 is 371470531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135074173 - 2⁹ = 135073661 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 (135074179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273183 + ... + 273676.

It is an arithmetic number, because the mean of its divisors is an integer number (19140100).

Almost surely, 2^135074173 is an apocalyptic number.

135074173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

135074173 is a deficient number, since it is larger than the sum of its proper divisors (18046627).

135074173 is a wasteful number, since it uses less digits than its factorization.

135074173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546891.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 135074173 is about 11622.1414980201. The cubic root of 135074173 is about 513.0867179469.

The spelling of 135074173 in words is "one hundred thirty-five million, seventy-four thousand, one hundred seventy-three".