438137 has 4 divisors (see below), whose sum is σ = 500736. Its totient is φ = 375540.

The previous prime is 438133. The next prime is 438143. The reversal of 438137 is 731834.

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 438137 - 2² = 438133 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (438131) 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 in 3 ways as a sum of consecutive naturals, for example, 31289 + ... + 31302.

It is an arithmetic number, because the mean of its divisors is an integer number (125184).

2⁴³⁸¹³⁷ is an apocalyptic number.

It is an amenable number.

438137 is a deficient number, since it is larger than the sum of its proper divisors (62599).

438137 is an equidigital number, since it uses as much as digits as its factorization.

438137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62598.

The product of its digits is 2016, while the sum is 26.

The square root of 438137 is about 661.9191793565. The cubic root of 438137 is about 75.9515503759.

It can be divided in two parts, 438 and 137, that multiplied together give a palindrome (60006).

The spelling of 438137 in words is "four hundred thirty-eight thousand, one hundred thirty-seven".