72134 has 4 divisors (see below), whose sum is σ = 108204. Its totient is φ = 36066.
The previous prime is 72109. The next prime is 72139. The reversal of 72134 is 43127.
It is a happy number.
It is a semiprime because it is the product of two primes.
It is a plaindrome in base 13.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72139) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18032 + ... + 18035.
It is an arithmetic number, because the mean of its divisors is an integer number (27051).
272134 is an apocalyptic number.
72134 is a deficient number, since it is larger than the sum of its proper divisors (36070).
72134 is a wasteful number, since it uses less digits than its factorization.
72134 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36069.
The product of its digits is 168, while the sum is 17.
The square root of 72134 is about 268.5777354883. The cubic root of 72134 is about 41.6274689142.
The spelling of 72134 in words is "seventy-two thousand, one hundred thirty-four".
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