136803761 has 2 divisors, whose sum is σ = 136803762. Its totient is φ = 136803760.

The previous prime is 136803739. The next prime is 136803803. The reversal of 136803761 is 167308631.

136803761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135582736 + 1221025 = 11644^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 136803761 - 2¹⁸ = 136541617 is a prime.

It is not a weakly prime, because it can be changed into another prime (136803731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68401880 + 68401881.

It is an arithmetic number, because the mean of its divisors is an integer number (68401881).

Almost surely, 2^136803761 is an apocalyptic number.

It is an amenable number.

136803761 is a deficient number, since it is larger than the sum of its proper divisors (1).

136803761 is an equidigital number, since it uses as much as digits as its factorization.

136803761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 136803761 is about 11696.3139920233. The cubic root of 136803761 is about 515.2674150836.

The spelling of 136803761 in words is "one hundred thirty-six million, eight hundred three thousand, seven hundred sixty-one".