136233289 has 2 divisors, whose sum is σ = 136233290. Its totient is φ = 136233288.

The previous prime is 136233277. The next prime is 136233353. The reversal of 136233289 is 982332631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135606025 + 627264 = 11645^2 + 792^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136233289 is a prime.

It is not a weakly prime, because it can be changed into another prime (136233269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68116644 + 68116645.

It is an arithmetic number, because the mean of its divisors is an integer number (68116645).

Almost surely, 2^136233289 is an apocalyptic number.

It is an amenable number.

136233289 is a deficient number, since it is larger than the sum of its proper divisors (1).

136233289 is an equidigital number, since it uses as much as digits as its factorization.

136233289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 37.

The square root of 136233289 is about 11671.9016873858. The cubic root of 136233289 is about 514.5501951170.

The spelling of 136233289 in words is "one hundred thirty-six million, two hundred thirty-three thousand, two hundred eighty-nine".