136527009 has 16 divisors (see below), whose sum is σ = 185684352. Its totient is φ = 89209728.

The previous prime is 136526987. The next prime is 136527019. The reversal of 136527009 is 900725631.

It is not a de Polignac number, because 136527009 - 2¹⁷ = 136395937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136527019) 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 15 ways as a sum of consecutive naturals, for example, 34707 + ... + 38439.

It is an arithmetic number, because the mean of its divisors is an integer number (11605272).

Almost surely, 2^136527009 is an apocalyptic number.

It is an amenable number.

136527009 is a deficient number, since it is larger than the sum of its proper divisors (49157343).

136527009 is a wasteful number, since it uses less digits than its factorization.

136527009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 136527009 is about 11684.4772668699. The cubic root of 136527009 is about 514.9197210462.

The spelling of 136527009 in words is "one hundred thirty-six million, five hundred twenty-seven thousand, nine".