343139 has 4 divisors (see below), whose sum is σ = 354240. Its totient is φ = 332040.

The previous prime is 343127. The next prime is 343141. The reversal of 343139 is 931343.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 343139 - 2¹⁶ = 277603 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 343139.

It is not an unprimeable number, because it can be changed into a prime (343169) 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, 5504 + ... + 5565.

It is an arithmetic number, because the mean of its divisors is an integer number (88560).

2³⁴³¹³⁹ is an apocalyptic number.

343139 is a deficient number, since it is larger than the sum of its proper divisors (11101).

343139 is a wasteful number, since it uses less digits than its factorization.

343139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11100.

The product of its digits is 972, while the sum is 23.

The square root of 343139 is about 585.7806756799. The cubic root of 343139 is about 70.0094545053.

The spelling of 343139 in words is "three hundred forty-three thousand, one hundred thirty-nine".