134242173 has 24 divisors (see below), whose sum is σ = 213685472. Its totient is φ = 80686368.

The previous prime is 134242139. The next prime is 134242181. The reversal of 134242173 is 371242431.

It is a happy number.

It is not a de Polignac number, because 134242173 - 2²¹ = 132145021 is a prime.

It is a super-2 number, since 2×134242173² = 36041922023523858, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134242103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8311 + ... + 18372.

Almost surely, 2^134242173 is an apocalyptic number.

134242173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

134242173 is a deficient number, since it is larger than the sum of its proper divisors (79443299).

134242173 is a wasteful number, since it uses less digits than its factorization.

134242173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26745 (or 26742 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 134242173 is about 11586.2924613528. The cubic root of 134242173 is about 512.0310815380.

The spelling of 134242173 in words is "one hundred thirty-four million, two hundred forty-two thousand, one hundred seventy-three".