136404133 has 2 divisors, whose sum is σ = 136404134. Its totient is φ = 136404132.

The previous prime is 136404131. The next prime is 136404167. The reversal of 136404133 is 331404631.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135326689 + 1077444 = 11633^2 + 1038^2 .

It is a cyclic number.

It is not a de Polignac number, because 136404133 - 2¹ = 136404131 is a prime.

Together with 136404131, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 136404098 and 136404107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136404131) 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, 68202066 + 68202067.

It is an arithmetic number, because the mean of its divisors is an integer number (68202067).

Almost surely, 2^136404133 is an apocalyptic number.

It is an amenable number.

136404133 is a deficient number, since it is larger than the sum of its proper divisors (1).

136404133 is an equidigital number, since it uses as much as digits as its factorization.

136404133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 136404133 is about 11679.2179960818. The cubic root of 136404133 is about 514.7651966356.

Adding to 136404133 its reverse (331404631), we get a palindrome (467808764).

The spelling of 136404133 in words is "one hundred thirty-six million, four hundred four thousand, one hundred thirty-three".