429139 has 2 divisors, whose sum is σ = 429140. Its totient is φ = 429138.

The previous prime is 429137. The next prime is 429161. The reversal of 429139 is 931924.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 429139 - 2¹ = 429137 is a prime.

Together with 429137, it forms a pair of twin primes.

429139 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (429137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214569 + 214570.

It is an arithmetic number, because the mean of its divisors is an integer number (214570).

2⁴²⁹¹³⁹ is an apocalyptic number.

429139 is a deficient number, since it is larger than the sum of its proper divisors (1).

429139 is an equidigital number, since it uses as much as digits as its factorization.

429139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The square root of 429139 is about 655.0870171206. The cubic root of 429139 is about 75.4280120222.

The spelling of 429139 in words is "four hundred twenty-nine thousand, one hundred thirty-nine".