135145 has 8 divisors (see below), whose sum is σ = 164160. Its totient is φ = 106800.
The previous prime is 135131. The next prime is 135151. The reversal of 135145 is 541531.
135145 = T230 + T231 + ... + T234.
135145 is nontrivially palindromic in base 14.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 135145 - 27 = 135017 is a prime.
135145 is an undulating number in base 14.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 666 + ... + 844.
It is an arithmetic number, because the mean of its divisors is an integer number (20520).
2135145 is an apocalyptic number.
It is an amenable number.
135145 is a deficient number, since it is larger than the sum of its proper divisors (29015).
135145 is a wasteful number, since it uses less digits than its factorization.
135145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335.
The product of its digits is 300, while the sum is 19.
The square root of 135145 is about 367.6207284689. The cubic root of 135145 is about 51.3176382369.
Adding to 135145 its reverse (541531), we get a palindrome (676676).
The spelling of 135145 in words is "one hundred thirty-five thousand, one hundred forty-five".
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