38000129 has 2 divisors, whose sum is σ = 38000130. Its totient is φ = 38000128.

The previous prime is 38000113. The next prime is 38000143. The reversal of 38000129 is 92100083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29866225 + 8133904 = 5465^2 + 2852^2 .

It is a cyclic number.

It is not a de Polignac number, because 38000129 - 2⁴ = 38000113 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (38000929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19000064 + 19000065.

It is an arithmetic number, because the mean of its divisors is an integer number (19000065).

Almost surely, 2^38000129 is an apocalyptic number.

It is an amenable number.

38000129 is a deficient number, since it is larger than the sum of its proper divisors (1).

38000129 is an equidigital number, since it uses as much as digits as its factorization.

38000129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 38000129 is about 6164.4244662418. The cubic root of 38000129 is about 336.1979211135.

The spelling of 38000129 in words is "thirty-eight million, one hundred twenty-nine", and thus it is an aban number.