136569369 has 8 divisors (see below), whose sum is σ = 182505312. Its totient is φ = 90839840.

The previous prime is 136569361. The next prime is 136569371. The reversal of 136569369 is 963965631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136569369 - 2³ = 136569361 is a prime.

It is a super-2 number, since 2×136569369² = 37302385098116322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136569361) 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 in 7 ways as a sum of consecutive naturals, for example, 50052 + ... + 52709.

It is an arithmetic number, because the mean of its divisors is an integer number (22813164).

Almost surely, 2^136569369 is an apocalyptic number.

It is an amenable number.

136569369 is a deficient number, since it is larger than the sum of its proper divisors (45935943).

136569369 is a wasteful number, since it uses less digits than its factorization.

136569369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103207.

The product of its digits is 787320, while the sum is 48.

The square root of 136569369 is about 11686.2897876101. The cubic root of 136569369 is about 514.9729699578.

The spelling of 136569369 in words is "one hundred thirty-six million, five hundred sixty-nine thousand, three hundred sixty-nine".