136541 has 2 divisors, whose sum is σ = 136542. Its totient is φ = 136540.

The previous prime is 136537. The next prime is 136547. The reversal of 136541 is 145631.

136541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84100 + 52441 = 290^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 136541 - 2² = 136537 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68270 + 68271.

It is an arithmetic number, because the mean of its divisors is an integer number (68271).

2¹³⁶⁵⁴¹ is an apocalyptic number.

It is an amenable number.

136541 is a deficient number, since it is larger than the sum of its proper divisors (1).

136541 is an equidigital number, since it uses as much as digits as its factorization.

136541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 136541 is about 369.5145463984. The cubic root of 136541 is about 51.4937309741.

The spelling of 136541 in words is "one hundred thirty-six thousand, five hundred forty-one".