137073 has 4 divisors (see below), whose sum is σ = 182768. Its totient is φ = 91380.
The previous prime is 137029. The next prime is 137077. The reversal of 137073 is 370731.
137073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 137073 - 214 = 120689 is a prime.
It is a D-number.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (137077) 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, 22843 + ... + 22848.
It is an arithmetic number, because the mean of its divisors is an integer number (45692).
2137073 is an apocalyptic number.
It is an amenable number.
137073 is a deficient number, since it is larger than the sum of its proper divisors (45695).
137073 is an equidigital number, since it uses as much as digits as its factorization.
137073 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45694.
The product of its (nonzero) digits is 441, while the sum is 21.
The square root of 137073 is about 370.2337099725. The cubic root of 137073 is about 51.5605220545.
The spelling of 137073 in words is "one hundred thirty-seven thousand, seventy-three".
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