147219839 has 16 divisors (see below), whose sum is σ = 163924992. Its totient is φ = 131356128.

The previous prime is 147219833. The next prime is 147219851. The reversal of 147219839 is 938912741.

It is a cyclic number.

It is not a de Polignac number, because 147219839 - 2⁴ = 147219823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 147219839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147219833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49262 + ... + 52164.

It is an arithmetic number, because the mean of its divisors is an integer number (10245312).

Almost surely, 2^147219839 is an apocalyptic number.

147219839 is a deficient number, since it is larger than the sum of its proper divisors (16705153).

147219839 is a wasteful number, since it uses less digits than its factorization.

147219839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046.

The product of its digits is 108864, while the sum is 44.

The square root of 147219839 is about 12133.4182735122. The cubic root of 147219839 is about 528.0261683063.

The spelling of 147219839 in words is "one hundred forty-seven million, two hundred nineteen thousand, eight hundred thirty-nine".