40366129 has 2 divisors, whose sum is σ = 40366130. Its totient is φ = 40366128.

The previous prime is 40366097. The next prime is 40366133. The reversal of 40366129 is 92166304.

40366129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40347904 + 18225 = 6352^2 + 135^2 .

It is a cyclic number.

It is not a de Polignac number, because 40366129 - 2⁵ = 40366097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40366129.

It is not a weakly prime, because it can be changed into another prime (40366159) 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, 20183064 + 20183065.

It is an arithmetic number, because the mean of its divisors is an integer number (20183065).

Almost surely, 2^40366129 is an apocalyptic number.

It is an amenable number.

40366129 is a deficient number, since it is larger than the sum of its proper divisors (1).

40366129 is an equidigital number, since it uses as much as digits as its factorization.

40366129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40366129 is about 6353.4344255686. The cubic root of 40366129 is about 343.0354747455.

The spelling of 40366129 in words is "forty million, three hundred sixty-six thousand, one hundred twenty-nine".