136289369 has 2 divisors, whose sum is σ = 136289370. Its totient is φ = 136289368.

The previous prime is 136289333. The next prime is 136289383. The reversal of 136289369 is 963982631.

136289369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81721600 + 54567769 = 9040^2 + 7387^2 .

It is an emirp because it is prime and its reverse (963982631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136289369 - 2²⁰ = 135240793 is a prime.

It is a super-2 number, since 2×136289369² = 37149584204836322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136289269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68144684 + 68144685.

It is an arithmetic number, because the mean of its divisors is an integer number (68144685).

Almost surely, 2^136289369 is an apocalyptic number.

It is an amenable number.

136289369 is a deficient number, since it is larger than the sum of its proper divisors (1).

136289369 is an equidigital number, since it uses as much as digits as its factorization.

136289369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 136289369 is about 11674.3037908048. The cubic root of 136289369 is about 514.6207897482.

The spelling of 136289369 in words is "one hundred thirty-six million, two hundred eighty-nine thousand, three hundred sixty-nine".