136073779 has 2 divisors, whose sum is σ = 136073780. Its totient is φ = 136073778.

The previous prime is 136073767. The next prime is 136073837. The reversal of 136073779 is 977370631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 136073779 - 2²¹ = 133976627 is a prime.

It is not a weakly prime, because it can be changed into another prime (136073479) 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, 68036889 + 68036890.

It is an arithmetic number, because the mean of its divisors is an integer number (68036890).

Almost surely, 2^136073779 is an apocalyptic number.

136073779 is a deficient number, since it is larger than the sum of its proper divisors (1).

136073779 is an equidigital number, since it uses as much as digits as its factorization.

136073779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 166698, while the sum is 43.

The square root of 136073779 is about 11665.0666093255. The cubic root of 136073779 is about 514.3492947444.

The spelling of 136073779 in words is "one hundred thirty-six million, seventy-three thousand, seven hundred seventy-nine".