136246771 has 2 divisors, whose sum is σ = 136246772. Its totient is φ = 136246770.

The previous prime is 136246763. The next prime is 136246793. The reversal of 136246771 is 177642631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136246771 - 2³ = 136246763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136246771.

It is not a weakly prime, because it can be changed into another prime (136246171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68123385 + 68123386.

It is an arithmetic number, because the mean of its divisors is an integer number (68123386).

Almost surely, 2^136246771 is an apocalyptic number.

136246771 is a deficient number, since it is larger than the sum of its proper divisors (1).

136246771 is an equidigital number, since it uses as much as digits as its factorization.

136246771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 136246771 is about 11672.4792139459. The cubic root of 136246771 is about 514.5671682983.

The spelling of 136246771 in words is "one hundred thirty-six million, two hundred forty-six thousand, seven hundred seventy-one".