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136141 = 1091249
BaseRepresentation
bin100001001111001101
320220202021
4201033031
513324031
62530141
71104625
oct411715
9226667
10136141
1193315
1266951
1349c75
1437885
152a511
hex213cd

136141 has 4 divisors (see below), whose sum is σ = 137500. Its totient is φ = 134784.

The previous prime is 136139. The next prime is 136163. The reversal of 136141 is 141631.

136141 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, and also an emirpimes, since its reverse is a distinct semiprime: 141631 = 720233.

It can be written as a sum of positive squares in 2 ways, for example, as 75625 + 60516 = 275^2 + 246^2 .

It is a cyclic number.

It is not a de Polignac number, because 136141 - 21 = 136139 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136111) 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, 516 + ... + 733.

It is an arithmetic number, because the mean of its divisors is an integer number (34375).

2136141 is an apocalyptic number.

It is an amenable number.

136141 is a deficient number, since it is larger than the sum of its proper divisors (1359).

136141 is a wasteful number, since it uses less digits than its factorization.

136141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1358.

The product of its digits is 72, while the sum is 16.

The square root of 136141 is about 368.9728987338. The cubic root of 136141 is about 51.4433977682.

Adding to 136141 its reverse (141631), we get a palindrome (277772).

The spelling of 136141 in words is "one hundred thirty-six thousand, one hundred forty-one".

Divisors: 1 109 1249 136141