36129647 has 2 divisors, whose sum is σ = 36129648. Its totient is φ = 36129646.

The previous prime is 36129631. The next prime is 36129661. The reversal of 36129647 is 74692163.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36129647 - 2⁴ = 36129631 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36129647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36129617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18064823 + 18064824.

It is an arithmetic number, because the mean of its divisors is an integer number (18064824).

Almost surely, 2^36129647 is an apocalyptic number.

36129647 is a deficient number, since it is larger than the sum of its proper divisors (1).

36129647 is an equidigital number, since it uses as much as digits as its factorization.

36129647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 36129647 is about 6010.7942070911. The cubic root of 36129647 is about 330.5886249816.

The spelling of 36129647 in words is "thirty-six million, one hundred twenty-nine thousand, six hundred forty-seven".