2429139 has 8 divisors (see below), whose sum is σ = 3254272. Its totient is φ = 1611720.

The previous prime is 2429117. The next prime is 2429143. The reversal of 2429139 is 9319242.

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

It is not a de Polignac number, because 2429139 - 2⁵ = 2429107 is a prime.

It is a Duffinian number.

2429139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2429239) 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, 1147 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (406784).

2^2429139 is an apocalyptic number.

2429139 is a deficient number, since it is larger than the sum of its proper divisors (825133).

2429139 is a wasteful number, since it uses less digits than its factorization.

2429139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3857.

The product of its digits is 3888, while the sum is 30.

The square root of 2429139 is about 1558.5695364661. The cubic root of 2429139 is about 134.4262619634.

The spelling of 2429139 in words is "two million, four hundred twenty-nine thousand, one hundred thirty-nine".