136777073 has 2 divisors, whose sum is σ = 136777074. Its totient is φ = 136777072.

The previous prime is 136777063. The next prime is 136777117. The reversal of 136777073 is 370777631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69422224 + 67354849 = 8332^2 + 8207^2 .

It is a cyclic number.

It is not a de Polignac number, because 136777073 - 2⁴ = 136777057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136777073.

It is not a weakly prime, because it can be changed into another prime (136777063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68388536 + 68388537.

It is an arithmetic number, because the mean of its divisors is an integer number (68388537).

Almost surely, 2^136777073 is an apocalyptic number.

It is an amenable number.

136777073 is a deficient number, since it is larger than the sum of its proper divisors (1).

136777073 is an equidigital number, since it uses as much as digits as its factorization.

136777073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129654, while the sum is 41.

The square root of 136777073 is about 11695.1730641321. The cubic root of 136777073 is about 515.2339063774.

The spelling of 136777073 in words is "one hundred thirty-six million, seven hundred seventy-seven thousand, seventy-three".