138467 has 8 divisors (see below), whose sum is σ = 160512. Its totient is φ = 117000.
The previous prime is 138461. The next prime is 138469. The reversal of 138467 is 764831.
138467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 138467 - 24 = 138451 is a prime.
It is a super-2 number, since 2×1384672 = 38346220178, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (138461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842 + ... + 992.
It is an arithmetic number, because the mean of its divisors is an integer number (20064).
2138467 is an apocalyptic number.
138467 is a deficient number, since it is larger than the sum of its proper divisors (22045).
138467 is a wasteful number, since it uses less digits than its factorization.
138467 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 289.
The product of its digits is 4032, while the sum is 29.
The square root of 138467 is about 372.1115424171. Note that the first 3 decimals coincide. The cubic root of 138467 is about 51.7347189745.
It can be divided in two parts, 138 and 467, that multiplied together give a palindrome (64446).
The spelling of 138467 in words is "one hundred thirty-eight thousand, four hundred sixty-seven".
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