136204043 has 2 divisors, whose sum is σ = 136204044. Its totient is φ = 136204042.

The previous prime is 136204021. The next prime is 136204063. The reversal of 136204043 is 340402631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136204043 - 2¹⁴ = 136187659 is a prime.

It is not a weakly prime, because it can be changed into another prime (136204063) by changing a digit.

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 as a sum of consecutive naturals, namely, 68102021 + 68102022.

It is an arithmetic number, because the mean of its divisors is an integer number (68102022).

Almost surely, 2^136204043 is an apocalyptic number.

136204043 is a deficient number, since it is larger than the sum of its proper divisors (1).

136204043 is an equidigital number, since it uses as much as digits as its factorization.

136204043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 136204043 is about 11670.6487823085. The cubic root of 136204043 is about 514.5133719781.

Adding to 136204043 its reverse (340402631), we get a palindrome (476606674).

The spelling of 136204043 in words is "one hundred thirty-six million, two hundred four thousand, forty-three".