136036393 has 2 divisors, whose sum is σ = 136036394. Its totient is φ = 136036392.

The previous prime is 136036367. The next prime is 136036399. The reversal of 136036393 is 393630631.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 135769104 + 267289 = 11652^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 136036393 - 2²¹ = 133939241 is a prime.

It is not a weakly prime, because it can be changed into another prime (136036399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68018196 + 68018197.

It is an arithmetic number, because the mean of its divisors is an integer number (68018197).

Almost surely, 2^136036393 is an apocalyptic number.

It is an amenable number.

136036393 is a deficient number, since it is larger than the sum of its proper divisors (1).

136036393 is an equidigital number, since it uses as much as digits as its factorization.

136036393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 34.

The square root of 136036393 is about 11663.4640223220. The cubic root of 136036393 is about 514.3021849480.

The spelling of 136036393 in words is "one hundred thirty-six million, thirty-six thousand, three hundred ninety-three".