136509163 has 8 divisors (see below), whose sum is σ = 162793728. Its totient is φ = 111920424.

The previous prime is 136509157. The next prime is 136509199. The reversal of 136509163 is 361905631.

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

It is not a de Polignac number, because 136509163 - 2¹³ = 136500971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136509463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423781 + ... + 424102.

It is an arithmetic number, because the mean of its divisors is an integer number (20349216).

Almost surely, 2^136509163 is an apocalyptic number.

136509163 is a deficient number, since it is larger than the sum of its proper divisors (26284565).

136509163 is an equidigital number, since it uses as much as digits as its factorization.

136509163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847913.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 136509163 is about 11683.7135791665. The cubic root of 136509163 is about 514.8972843190.

The spelling of 136509163 in words is "one hundred thirty-six million, five hundred nine thousand, one hundred sixty-three".