147389 has 4 divisors (see below), whose sum is σ = 160800. Its totient is φ = 133980.

The previous prime is 147377. The next prime is 147391. The reversal of 147389 is 983741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 983741 = 11 ⋅89431.

It is not a de Polignac number, because 147389 - 2¹⁶ = 81853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6689 + ... + 6710.

It is an arithmetic number, because the mean of its divisors is an integer number (40200).

2¹⁴⁷³⁸⁹ is an apocalyptic number.

It is an amenable number.

147389 is a deficient number, since it is larger than the sum of its proper divisors (13411).

147389 is a wasteful number, since it uses less digits than its factorization.

147389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13410.

The product of its digits is 6048, while the sum is 32.

The square root of 147389 is about 383.9127505046. The cubic root of 147389 is about 52.8228331380.

The spelling of 147389 in words is "one hundred forty-seven thousand, three hundred eighty-nine".