136243133 has 8 divisors (see below), whose sum is σ = 148071000. Its totient is φ = 124607808.

The previous prime is 136243097. The next prime is 136243141. The reversal of 136243133 is 331342631.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52374169 + 83868964 = 7237^2 + 9158^2 .

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

It is not a de Polignac number, because 136243133 - 2¹⁰ = 136242109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136243183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46658 + ... + 49491.

It is an arithmetic number, because the mean of its divisors is an integer number (18508875).

Almost surely, 2^136243133 is an apocalyptic number.

136243133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136243133 is a deficient number, since it is larger than the sum of its proper divisors (11827867).

136243133 is a wasteful number, since it uses less digits than its factorization.

136243133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96271.

The product of its digits is 3888, while the sum is 26.

The square root of 136243133 is about 11672.3233762606. The cubic root of 136243133 is about 514.5625883438.

Adding to 136243133 its reverse (331342631), we get a palindrome (467585764).

The spelling of 136243133 in words is "one hundred thirty-six million, two hundred forty-three thousand, one hundred thirty-three".