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136091 = 236197
BaseRepresentation
bin100001001110011011
320220200102
4201032123
513323331
62530015
71104524
oct411633
9226612
10136091
119327a
126690b
1349c37
143784b
152a4cb
hex2139b

136091 has 8 divisors (see below), whose sum is σ = 145824. Its totient is φ = 126720.

The previous prime is 136069. The next prime is 136093. The reversal of 136091 is 190631.

136091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136091 - 26 = 136027 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136091.

It is not an unprimeable number, because it can be changed into a prime (136093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1355 + ... + 1451.

It is an arithmetic number, because the mean of its divisors is an integer number (18228).

2136091 is an apocalyptic number.

136091 is a deficient number, since it is larger than the sum of its proper divisors (9733).

136091 is an equidigital number, since it uses as much as digits as its factorization.

136091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 136091 is about 368.9051368577. The cubic root of 136091 is about 51.4370991885.

The spelling of 136091 in words is "one hundred thirty-six thousand, ninety-one".

Divisors: 1 23 61 97 1403 2231 5917 136091