136229843 has 2 divisors, whose sum is σ = 136229844. Its totient is φ = 136229842.

The previous prime is 136229837. The next prime is 136229881. The reversal of 136229843 is 348922631.

It is an a-pointer prime, because the next prime (136229881) can be obtained adding 136229843 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136229843 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 136229797 and 136229806.

It is not a weakly prime, because it can be changed into another prime (136229833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68114921 + 68114922.

It is an arithmetic number, because the mean of its divisors is an integer number (68114922).

Almost surely, 2^136229843 is an apocalyptic number.

136229843 is a deficient number, since it is larger than the sum of its proper divisors (1).

136229843 is an equidigital number, since it uses as much as digits as its factorization.

136229843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 136229843 is about 11671.7540669773. The cubic root of 136229843 is about 514.5458565912.

The spelling of 136229843 in words is "one hundred thirty-six million, two hundred twenty-nine thousand, eight hundred forty-three".