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136807 = 1112437
BaseRepresentation
bin100001011001100111
320221122221
4201121213
513334212
62533211
71106566
oct413147
9227587
10136807
1193870
1267207
134a368
1437bdd
152a807
hex21667

136807 has 4 divisors (see below), whose sum is σ = 149256. Its totient is φ = 124360.

The previous prime is 136777. The next prime is 136811. The reversal of 136807 is 708631.

136807 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-136807 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136897) 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, 6208 + ... + 6229.

It is an arithmetic number, because the mean of its divisors is an integer number (37314).

2136807 is an apocalyptic number.

136807 is a deficient number, since it is larger than the sum of its proper divisors (12449).

136807 is a wasteful number, since it uses less digits than its factorization.

136807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12448.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 136807 is about 369.8743029733. The cubic root of 136807 is about 51.5271481585.

The spelling of 136807 in words is "one hundred thirty-six thousand, eight hundred seven".

Divisors: 1 11 12437 136807