136406411 has 2 divisors, whose sum is σ = 136406412. Its totient is φ = 136406410.

The previous prime is 136406381. The next prime is 136406423. The reversal of 136406411 is 114604631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 136406411 - 2²² = 132212107 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (136406441) 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, 68203205 + 68203206.

It is an arithmetic number, because the mean of its divisors is an integer number (68203206).

Almost surely, 2^136406411 is an apocalyptic number.

136406411 is a deficient number, since it is larger than the sum of its proper divisors (1).

136406411 is an equidigital number, since it uses as much as digits as its factorization.

136406411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 136406411 is about 11679.3155193273. The cubic root of 136406411 is about 514.7680622101.

The spelling of 136406411 in words is "one hundred thirty-six million, four hundred six thousand, four hundred eleven".