136511 has 2 divisors, whose sum is σ = 136512. Its totient is φ = 136510.

The previous prime is 136501. The next prime is 136519. The reversal of 136511 is 115631.

It is a strong prime.

It is an emirp because it is prime and its reverse (115631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136511 - 2⁶ = 136447 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a zygodrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 136511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68255 + 68256.

It is an arithmetic number, because the mean of its divisors is an integer number (68256).

2¹³⁶⁵¹¹ is an apocalyptic number.

136511 is a deficient number, since it is larger than the sum of its proper divisors (1).

136511 is an equidigital number, since it uses as much as digits as its factorization.

136511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90, while the sum is 17.

The square root of 136511 is about 369.4739503673. The cubic root of 136511 is about 51.4899593961.

It can be divided in two parts, 136 and 511, that multiplied together give a palindrome (69496).

The spelling of 136511 in words is "one hundred thirty-six thousand, five hundred eleven".