Search a number
-
+
136131 = 345377
BaseRepresentation
bin100001001111000011
320220201220
4201033003
513324011
62530123
71104612
oct411703
9226656
10136131
1193306
1266943
1349c68
1437879
152a506
hex213c3

136131 has 4 divisors (see below), whose sum is σ = 181512. Its totient is φ = 90752.

The previous prime is 136111. The next prime is 136133. The reversal of 136131 is 131631.

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 136131 - 25 = 136099 is a prime.

It is a super-2 number, since 2×1361312 = 37063298322, which contains 22 as substring.

It is a D-number.

It is a self number, because there is not a number n which added to its sum of digits gives 136131.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 136131.

It is not an unprimeable number, because it can be changed into a prime (136133) 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, 22686 + ... + 22691.

It is an arithmetic number, because the mean of its divisors is an integer number (45378).

2136131 is an apocalyptic number.

136131 is a deficient number, since it is larger than the sum of its proper divisors (45381).

136131 is an equidigital number, since it uses as much as digits as its factorization.

136131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45380.

The product of its digits is 54, while the sum is 15.

The square root of 136131 is about 368.9593473541. The cubic root of 136131 is about 51.4421381757.

Adding to 136131 its reverse (131631), we get a palindrome (267762).

The spelling of 136131 in words is "one hundred thirty-six thousand, one hundred thirty-one".

Divisors: 1 3 45377 136131