136533405 has 16 divisors (see below), whose sum is σ = 227952000. Its totient is φ = 69651648.

The previous prime is 136533389. The next prime is 136533413. The reversal of 136533405 is 504335631.

It is a happy number.

It is not a de Polignac number, because 136533405 - 2⁴ = 136533389 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197530 + ... + 198219.

It is an arithmetic number, because the mean of its divisors is an integer number (14247000).

Almost surely, 2^136533405 is an apocalyptic number.

136533405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136533405 is a deficient number, since it is larger than the sum of its proper divisors (91418595).

136533405 is a wasteful number, since it uses less digits than its factorization.

136533405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395780.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 136533405 is about 11684.7509601189. The cubic root of 136533405 is about 514.9277618852.

The spelling of 136533405 in words is "one hundred thirty-six million, five hundred thirty-three thousand, four hundred five".