136706 has 8 divisors (see below), whose sum is σ = 212220. Its totient is φ = 65968.
The previous prime is 136693. The next prime is 136709. The reversal of 136706 is 607631.
It can be written as a sum of positive squares in 2 ways, for example, as 133225 + 3481 = 365^2 + 59^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (136709) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121 + ... + 1236.
2136706 is an apocalyptic number.
136706 is a deficient number, since it is larger than the sum of its proper divisors (75514).
136706 is a wasteful number, since it uses less digits than its factorization.
136706 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2388.
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 136706 is about 369.7377448949. The cubic root of 136706 is about 51.5144647841.
It can be divided in two parts, 13 and 6706, that multiplied together give a palindrome (87178).
The spelling of 136706 in words is "one hundred thirty-six thousand, seven hundred six".
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