136048817 has 2 divisors, whose sum is σ = 136048818. Its totient is φ = 136048816.

The previous prime is 136048789. The next prime is 136048901. The reversal of 136048817 is 718840631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130051216 + 5997601 = 11404^2 + 2449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136048817 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136048217) 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, 68024408 + 68024409.

It is an arithmetic number, because the mean of its divisors is an integer number (68024409).

Almost surely, 2^136048817 is an apocalyptic number.

It is an amenable number.

136048817 is a deficient number, since it is larger than the sum of its proper divisors (1).

136048817 is an equidigital number, since it uses as much as digits as its factorization.

136048817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 136048817 is about 11663.9966135112. The cubic root of 136048817 is about 514.3178412874.

The spelling of 136048817 in words is "one hundred thirty-six million, forty-eight thousand, eight hundred seventeen".