38539133 has 2 divisors, whose sum is σ = 38539134. Its totient is φ = 38539132.

The previous prime is 38539121. The next prime is 38539147. The reversal of 38539133 is 33193583.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37613689 + 925444 = 6133^2 + 962^2 .

It is a cyclic number.

It is not a de Polignac number, because 38539133 - 2⁴ = 38539117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38539093 and 38539102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38539103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19269566 + 19269567.

It is an arithmetic number, because the mean of its divisors is an integer number (19269567).

Almost surely, 2^38539133 is an apocalyptic number.

It is an amenable number.

38539133 is a deficient number, since it is larger than the sum of its proper divisors (1).

38539133 is an equidigital number, since it uses as much as digits as its factorization.

38539133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 35.

The square root of 38539133 is about 6207.9894490890. The cubic root of 38539133 is about 337.7800379012.

The spelling of 38539133 in words is "thirty-eight million, five hundred thirty-nine thousand, one hundred thirty-three".