136052209 has 2 divisors, whose sum is σ = 136052210. Its totient is φ = 136052208.

The previous prime is 136052197. The next prime is 136052221. The reversal of 136052209 is 902250631.

It is a balanced prime because it is at equal distance from previous prime (136052197) and next prime (136052221).

It can be written as a sum of positive squares in only one way, i.e., 127757809 + 8294400 = 11303^2 + 2880^2 .

It is an emirp because it is prime and its reverse (902250631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136052209 is a prime.

It is equal to p_7701508 and since 136052209 and 7701508 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 (136052239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68026104 + 68026105.

It is an arithmetic number, because the mean of its divisors is an integer number (68026105).

Almost surely, 2^136052209 is an apocalyptic number.

It is an amenable number.

136052209 is a deficient number, since it is larger than the sum of its proper divisors (1).

136052209 is an equidigital number, since it uses as much as digits as its factorization.

136052209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 136052209 is about 11664.1420173110. The cubic root of 136052209 is about 514.3221156149.

The spelling of 136052209 in words is "one hundred thirty-six million, fifty-two thousand, two hundred nine".