139206 is nontrivially palindromic in base 12.
It is a sphenic number, since it is the product of 3 distinct primes.
139206 is an admirable number.
139206 is an undulating number in base 12.
It is a Curzon number.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 139206.
139206 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2139206 is an apocalyptic number.
139206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
139206 is a wasteful number, since it uses less digits than its factorization.
139206 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23206.
The square root of 139206 is about 373.1032028809. The cubic root of 139206 is about 51.8265919923.
The spelling of 139206 in words is "one hundred thirty-nine thousand, two hundred six".