136536473 has 2 divisors, whose sum is σ = 136536474. Its totient is φ = 136536472.

The previous prime is 136536409. The next prime is 136536511. The reversal of 136536473 is 374635631.

It is a happy number.

It is an a-pointer prime, because the next prime (136536511) can be obtained adding 136536473 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95101504 + 41434969 = 9752^2 + 6437^2 .

It is a cyclic number.

It is not a de Polignac number, because 136536473 - 2⁶ = 136536409 is a prime.

It is not a weakly prime, because it can be changed into another prime (136536403) 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, 68268236 + 68268237.

It is an arithmetic number, because the mean of its divisors is an integer number (68268237).

Almost surely, 2^136536473 is an apocalyptic number.

It is an amenable number.

136536473 is a deficient number, since it is larger than the sum of its proper divisors (1).

136536473 is an equidigital number, since it uses as much as digits as its factorization.

136536473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 38.

The square root of 136536473 is about 11684.8822415975. The cubic root of 136536473 is about 514.9316187839.

The spelling of 136536473 in words is "one hundred thirty-six million, five hundred thirty-six thousand, four hundred seventy-three".