38660129 has 2 divisors, whose sum is σ = 38660130. Its totient is φ = 38660128.

The previous prime is 38660093. The next prime is 38660173. The reversal of 38660129 is 92106683.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22819729 + 15840400 = 4777^2 + 3980^2 .

It is an emirp because it is prime and its reverse (92106683) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38660129 - 2¹⁶ = 38594593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38660429) 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, 19330064 + 19330065.

It is an arithmetic number, because the mean of its divisors is an integer number (19330065).

Almost surely, 2^38660129 is an apocalyptic number.

It is an amenable number.

38660129 is a deficient number, since it is larger than the sum of its proper divisors (1).

38660129 is an equidigital number, since it uses as much as digits as its factorization.

38660129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 38660129 is about 6217.7269962584. The cubic root of 38660129 is about 338.1331624043.

The spelling of 38660129 in words is "thirty-eight million, six hundred sixty thousand, one hundred twenty-nine".