147138 has 16 divisors (see below), whose sum is σ = 298080. Its totient is φ = 48416.

The previous prime is 147137. The next prime is 147139. The reversal of 147138 is 831741.

147138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (147137) and next prime (147139).

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 147138.

It is not an unprimeable number, because it can be changed into a prime (147137) 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, 733 + ... + 911.

It is an arithmetic number, because the mean of its divisors is an integer number (18630).

2¹⁴⁷¹³⁸ is an apocalyptic number.

147138 is an abundant number, since it is smaller than the sum of its proper divisors (150942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

147138 is a wasteful number, since it uses less digits than its factorization.

147138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321.

The product of its digits is 672, while the sum is 24.

The square root of 147138 is about 383.5857140197. The cubic root of 147138 is about 52.7928307529.

Adding to 147138 its reverse (831741), we get a palindrome (978879).

The spelling of 147138 in words is "one hundred forty-seven thousand, one hundred thirty-eight".