136534133 has 4 divisors (see below), whose sum is σ = 143720160. Its totient is φ = 129348108.

The previous prime is 136534129. The next prime is 136534147. The reversal of 136534133 is 331435631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136534133 - 2² = 136534129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 136534096 and 136534105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136539133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3592985 + ... + 3593022.

It is an arithmetic number, because the mean of its divisors is an integer number (35930040).

Almost surely, 2^136534133 is an apocalyptic number.

It is an amenable number.

136534133 is a deficient number, since it is larger than the sum of its proper divisors (7186027).

136534133 is an equidigital number, since it uses as much as digits as its factorization.

136534133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186026.

The product of its digits is 9720, while the sum is 29.

The square root of 136534133 is about 11684.7821117897. The cubic root of 136534133 is about 514.9286770868.

Adding to 136534133 its reverse (331435631), we get a palindrome (467969764).

The spelling of 136534133 in words is "one hundred thirty-six million, five hundred thirty-four thousand, one hundred thirty-three".