238137 has 4 divisors (see below), whose sum is σ = 317520. Its totient is φ = 158756.

The previous prime is 238109. The next prime is 238141. The reversal of 238137 is 731832.

238137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 238137 - 2⁷ = 238009 is a prime.

It is an Ulam number.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (238157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39687 + ... + 39692.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2²³⁸¹³⁷ is an apocalyptic number.

It is an amenable number.

238137 is a deficient number, since it is larger than the sum of its proper divisors (79383).

238137 is an equidigital number, since it uses as much as digits as its factorization.

238137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79382.

The product of its digits is 1008, while the sum is 24.

The square root of 238137 is about 487.9928278161. The cubic root of 238137 is about 61.9834329651.

Adding to 238137 its reverse (731832), we get a palindrome (969969).

The spelling of 238137 in words is "two hundred thirty-eight thousand, one hundred thirty-seven".