38137999 has 2 divisors, whose sum is σ = 38138000. Its totient is φ = 38137998.

The previous prime is 38137951. The next prime is 38138003. The reversal of 38137999 is 99973183.

38137999 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 is a cyclic number.

It is not a de Polignac number, because 38137999 - 2¹³ = 38129807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38137909) 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, 19068999 + 19069000.

It is an arithmetic number, because the mean of its divisors is an integer number (19069000).

Almost surely, 2^38137999 is an apocalyptic number.

38137999 is a deficient number, since it is larger than the sum of its proper divisors (1).

38137999 is an equidigital number, since it uses as much as digits as its factorization.

38137999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 49.

The square root of 38137999 is about 6175.5970561558. The cubic root of 38137999 is about 336.6040220446.

The spelling of 38137999 in words is "thirty-eight million, one hundred thirty-seven thousand, nine hundred ninety-nine".