136769 has 2 divisors, whose sum is σ = 136770. Its totient is φ = 136768.

The previous prime is 136753. The next prime is 136777. The reversal of 136769 is 967631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69169 + 67600 = 263^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 136769 - 2⁴ = 136753 is a prime.

It is a super-2 number, since 2×136769² = 37411518722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68384 + 68385.

It is an arithmetic number, because the mean of its divisors is an integer number (68385).

2¹³⁶⁷⁶⁹ is an apocalyptic number.

It is an amenable number.

136769 is a deficient number, since it is larger than the sum of its proper divisors (1).

136769 is an equidigital number, since it uses as much as digits as its factorization.

136769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 32.

The square root of 136769 is about 369.8229306033. The cubic root of 136769 is about 51.5223769286.

The spelling of 136769 in words is "one hundred thirty-six thousand, seven hundred sixty-nine".