347139 has 32 divisors (see below), whose sum is σ = 591360. Its totient is φ = 199584.

The previous prime is 347131. The next prime is 347141. The reversal of 347139 is 931743.

It is not a de Polignac number, because 347139 - 2³ = 347131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 347139.

It is not an unprimeable number, because it can be changed into a prime (347131) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 8052 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (18480).

2³⁴⁷¹³⁹ is an apocalyptic number.

347139 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

347139 is a deficient number, since it is larger than the sum of its proper divisors (244221).

347139 is a wasteful number, since it uses less digits than its factorization.

347139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 82 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 347139 is about 589.1850303597. The cubic root of 347139 is about 70.2804396059.

The spelling of 347139 in words is "three hundred forty-seven thousand, one hundred thirty-nine".