434139 has 8 divisors (see below), whose sum is σ = 591360. Its totient is φ = 283176.

The previous prime is 434117. The next prime is 434141. The reversal of 434139 is 931434.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 434139 - 2⁵ = 434107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (434179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (73920).

2⁴³⁴¹³⁹ is an apocalyptic number.

434139 is a deficient number, since it is larger than the sum of its proper divisors (157221).

434139 is a wasteful number, since it uses less digits than its factorization.

434139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129.

The product of its digits is 1296, while the sum is 24.

The square root of 434139 is about 658.8922521930. The cubic root of 434139 is about 75.7198248164.

It can be divided in two parts, 4 and 34139, that added together give a palindrome (34143).

The spelling of 434139 in words is "four hundred thirty-four thousand, one hundred thirty-nine".