136041889 has 2 divisors, whose sum is σ = 136041890. Its totient is φ = 136041888.

The previous prime is 136041887. The next prime is 136041911. The reversal of 136041889 is 988140631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98010000 + 38031889 = 9900^2 + 6167^2 .

It is a cyclic number.

It is not a de Polignac number, because 136041889 - 2¹ = 136041887 is a prime.

Together with 136041887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (136041887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68020944 + 68020945.

It is an arithmetic number, because the mean of its divisors is an integer number (68020945).

Almost surely, 2^136041889 is an apocalyptic number.

It is an amenable number.

136041889 is a deficient number, since it is larger than the sum of its proper divisors (1).

136041889 is an equidigital number, since it uses as much as digits as its factorization.

136041889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 136041889 is about 11663.6996274767. The cubic root of 136041889 is about 514.3091109543.

The spelling of 136041889 in words is "one hundred thirty-six million, forty-one thousand, eight hundred eighty-nine".