136533146 has 4 divisors (see below), whose sum is σ = 204799722. Its totient is φ = 68266572.

The previous prime is 136533119. The next prime is 136533149. The reversal of 136533146 is 641335631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 69538921 + 66994225 = 8339^2 + 8185^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (136533149) 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 as a sum of consecutive naturals, namely, 34133285 + ... + 34133288.

Almost surely, 2^136533146 is an apocalyptic number.

136533146 is a deficient number, since it is larger than the sum of its proper divisors (68266576).

136533146 is an equidigital number, since it uses as much as digits as its factorization.

136533146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68266575.

The product of its digits is 19440, while the sum is 32.

The square root of 136533146 is about 11684.7398772929. The cubic root of 136533146 is about 514.9274362839.

Adding to 136533146 its reverse (641335631), we get a palindrome (777868777).

The spelling of 136533146 in words is "one hundred thirty-six million, five hundred thirty-three thousand, one hundred forty-six".