138374 has 8 divisors (see below), whose sum is σ = 212520. Its totient is φ = 67536.

The previous prime is 138373. The next prime is 138389. The reversal of 138374 is 473831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 1 + 3² + 3⁹ + 8 + 7⁶ + 4⁵ .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 719 + ... + 890.

It is an arithmetic number, because the mean of its divisors is an integer number (26565).

2¹³⁸³⁷⁴ is an apocalyptic number.

138374 is a deficient number, since it is larger than the sum of its proper divisors (74146).

138374 is a wasteful number, since it uses less digits than its factorization.

138374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654.

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

The square root of 138374 is about 371.9865588970. The cubic root of 138374 is about 51.7231340086.

It can be divided in two parts, 138 and 374, that added together give a 9-th power (512 = 2⁹).

The spelling of 138374 in words is "one hundred thirty-eight thousand, three hundred seventy-four".