Search a number
-
+
136087 = 719441
BaseRepresentation
bin100001001110010111
320220200021
4201032113
513323322
62530011
71104520
oct411627
9226607
10136087
1193276
1266907
1349c33
1437847
152a4c7
hex21397

136087 has 4 divisors (see below), whose sum is σ = 155536. Its totient is φ = 116640.

The previous prime is 136069. The next prime is 136093. The reversal of 136087 is 780631.

136087 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 not a de Polignac number, because 136087 - 211 = 134039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136027) 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, 9714 + ... + 9727.

It is an arithmetic number, because the mean of its divisors is an integer number (38884).

2136087 is an apocalyptic number.

136087 is a deficient number, since it is larger than the sum of its proper divisors (19449).

136087 is an equidigital number, since it uses as much as digits as its factorization.

136087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19448.

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

The square root of 136087 is about 368.8997153699. The cubic root of 136087 is about 51.4365952354.

The spelling of 136087 in words is "one hundred thirty-six thousand, eighty-seven".

Divisors: 1 7 19441 136087