136028777 has 2 divisors, whose sum is σ = 136028778. Its totient is φ = 136028776.

The previous prime is 136028749. The next prime is 136028791. The reversal of 136028777 is 777820631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110334016 + 25694761 = 10504^2 + 5069^2 .

It is a cyclic number.

It is not a de Polignac number, because 136028777 - 2⁸ = 136028521 is a prime.

It is not a weakly prime, because it can be changed into another prime (136078777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68014388 + 68014389.

It is an arithmetic number, because the mean of its divisors is an integer number (68014389).

Almost surely, 2^136028777 is an apocalyptic number.

It is an amenable number.

136028777 is a deficient number, since it is larger than the sum of its proper divisors (1).

136028777 is an equidigital number, since it uses as much as digits as its factorization.

136028777 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 136028777 is about 11663.1375281268. The cubic root of 136028777 is about 514.2925870297.

The spelling of 136028777 in words is "one hundred thirty-six million, twenty-eight thousand, seven hundred seventy-seven".