334139 has 4 divisors (see below), whose sum is σ = 359856. Its totient is φ = 308424.

The previous prime is 334133. The next prime is 334157. The reversal of 334139 is 931433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931433 = 59 ⋅15787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-334139 is a prime.

It is a super-2 number, since 2×334139² = 223297742642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (334133) 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, 12839 + ... + 12864.

It is an arithmetic number, because the mean of its divisors is an integer number (89964).

2³³⁴¹³⁹ is an apocalyptic number.

334139 is a deficient number, since it is larger than the sum of its proper divisors (25717).

334139 is a wasteful number, since it uses less digits than its factorization.

334139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25716.

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

The square root of 334139 is about 578.0475758967. The cubic root of 334139 is about 69.3919442961.

The spelling of 334139 in words is "three hundred thirty-four thousand, one hundred thirty-nine".