136233217 has 2 divisors, whose sum is σ = 136233218. Its totient is φ = 136233216.

The previous prime is 136233193. The next prime is 136233263. The reversal of 136233217 is 712332631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135862336 + 370881 = 11656^2 + 609^2 .

It is a cyclic number.

It is not a de Polignac number, because 136233217 - 2²³ = 127844609 is a prime.

It is a Chen prime.

It is equal to p_7711156 and since 136233217 and 7711156 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (136233277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68116608 + 68116609.

It is an arithmetic number, because the mean of its divisors is an integer number (68116609).

Almost surely, 2^136233217 is an apocalyptic number.

It is an amenable number.

136233217 is a deficient number, since it is larger than the sum of its proper divisors (1).

136233217 is an equidigital number, since it uses as much as digits as its factorization.

136233217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 28.

The square root of 136233217 is about 11671.8986030551. The cubic root of 136233217 is about 514.5501044696.

Adding to 136233217 its reverse (712332631), we get a palindrome (848565848).

The spelling of 136233217 in words is "one hundred thirty-six million, two hundred thirty-three thousand, two hundred seventeen".