136224437 has 2 divisors, whose sum is σ = 136224438. Its totient is φ = 136224436.

The previous prime is 136224419. The next prime is 136224461. The reversal of 136224437 is 734422631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136095556 + 128881 = 11666^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 136224437 - 2⁶ = 136224373 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136224337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68112218 + 68112219.

It is an arithmetic number, because the mean of its divisors is an integer number (68112219).

Almost surely, 2^136224437 is an apocalyptic number.

It is an amenable number.

136224437 is a deficient number, since it is larger than the sum of its proper divisors (1).

136224437 is an equidigital number, since it uses as much as digits as its factorization.

136224437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 32.

The square root of 136224437 is about 11671.5224799509. The cubic root of 136224437 is about 514.5390502713.

The spelling of 136224437 in words is "one hundred thirty-six million, two hundred twenty-four thousand, four hundred thirty-seven".