138153 has 4 divisors (see below), whose sum is σ = 184208. Its totient is φ = 92100.

The previous prime is 138143. The next prime is 138157. The reversal of 138153 is 351831.

It is a happy number.

138153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 138153 - 2¹⁶ = 72617 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23023 + ... + 23028.

It is an arithmetic number, because the mean of its divisors is an integer number (46052).

2¹³⁸¹⁵³ is an apocalyptic number.

It is an amenable number.

138153 is a deficient number, since it is larger than the sum of its proper divisors (46055).

138153 is an equidigital number, since it uses as much as digits as its factorization.

138153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46054.

The product of its digits is 360, while the sum is 21.

The square root of 138153 is about 371.6893864506. The cubic root of 138153 is about 51.6955833043.

Adding to 138153 its reverse (351831), we get a palindrome (489984).

The spelling of 138153 in words is "one hundred thirty-eight thousand, one hundred fifty-three".