136385593 has 2 divisors, whose sum is σ = 136385594. Its totient is φ = 136385592.

The previous prime is 136385567. The next prime is 136385597. The reversal of 136385593 is 395583631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87553449 + 48832144 = 9357^2 + 6988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136385593 is a prime.

It is not a weakly prime, because it can be changed into another prime (136385597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68192796 + 68192797.

It is an arithmetic number, because the mean of its divisors is an integer number (68192797).

Almost surely, 2^136385593 is an apocalyptic number.

It is an amenable number.

136385593 is a deficient number, since it is larger than the sum of its proper divisors (1).

136385593 is an equidigital number, since it uses as much as digits as its factorization.

136385593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 43.

The square root of 136385593 is about 11678.4242515846. The cubic root of 136385593 is about 514.7418733463.

The spelling of 136385593 in words is "one hundred thirty-six million, three hundred eighty-five thousand, five hundred ninety-three".