138352 has 10 divisors (see below), whose sum is σ = 268088. Its totient is φ = 69168.

The previous prime is 138349. The next prime is 138371. The reversal of 138352 is 253831.

It is a d-powerful number, because it can be written as 1 + 3⁴ + 3⁸ + 8³ + 5³ + 2¹⁷ .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4308 + ... + 4339.

2¹³⁸³⁵² is an apocalyptic number.

It is an amenable number.

138352 is a deficient number, since it is larger than the sum of its proper divisors (129736).

138352 is an equidigital number, since it uses as much as digits as its factorization.

138352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8655 (or 8649 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 138352 is about 371.9569867606. The cubic root of 138352 is about 51.7203927199.

The spelling of 138352 in words is "one hundred thirty-eight thousand, three hundred fifty-two".