136269 has 24 divisors (see below), whose sum is σ = 237120. Its totient is φ = 77112.

The previous prime is 136261. The next prime is 136273. The reversal of 136269 is 962631.

It is a happy number.

It is not a de Polignac number, because 136269 - 2³ = 136261 is a prime.

It is a super-2 number, since 2×136269² = 37138480722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

136269 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1272 + ... + 1374.

It is an arithmetic number, because the mean of its divisors is an integer number (9880).

2¹³⁶²⁶⁹ is an apocalyptic number.

It is an amenable number.

136269 is a deficient number, since it is larger than the sum of its proper divisors (100851).

136269 is a wasteful number, since it uses less digits than its factorization.

136269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 113 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 136269 is about 369.1463124562. The cubic root of 136269 is about 51.4595151081.

It can be divided in two parts, 1362 and 69, that added together give a triangular number (1431 = T₅₃).

The spelling of 136269 in words is "one hundred thirty-six thousand, two hundred sixty-nine".