136406071 has 2 divisors, whose sum is σ = 136406072. Its totient is φ = 136406070.

The previous prime is 136406069. The next prime is 136406089. The reversal of 136406071 is 170604631.

It is a weak prime.

It is an emirp because it is prime and its reverse (170604631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 136406071 - 2¹ = 136406069 is a prime.

Together with 136406069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136406021) 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, 68203035 + 68203036.

It is an arithmetic number, because the mean of its divisors is an integer number (68203036).

Almost surely, 2^136406071 is an apocalyptic number.

136406071 is a deficient number, since it is larger than the sum of its proper divisors (1).

136406071 is an equidigital number, since it uses as much as digits as its factorization.

136406071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 136406071 is about 11679.3009636707. The cubic root of 136406071 is about 514.7676345144.

The spelling of 136406071 in words is "one hundred thirty-six million, four hundred six thousand, seventy-one".