438134 has 16 divisors (see below), whose sum is σ = 691200. Its totient is φ = 208104.

The previous prime is 438133. The next prime is 438143. The reversal of 438134 is 431834.

It is a super-2 number, since 2×438134² = 383922803912, which contains 22 as substring.

It is a plaindrome in base 13.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5507 + ... + 5585.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2⁴³⁸¹³⁴ is an apocalyptic number.

438134 is a deficient number, since it is larger than the sum of its proper divisors (253066).

438134 is a wasteful number, since it uses less digits than its factorization.

438134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187.

The product of its digits is 1152, while the sum is 23.

The square root of 438134 is about 661.9169132149. The cubic root of 438134 is about 75.9513770244.

Adding to 438134 its reverse (431834), we get a palindrome (869968).

The spelling of 438134 in words is "four hundred thirty-eight thousand, one hundred thirty-four".