34442139 has 8 divisors (see below), whose sum is σ = 46005840. Its totient is φ = 22919936.

The previous prime is 34442131. The next prime is 34442143. The reversal of 34442139 is 93124443.

34442139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 34442139 - 2³ = 34442131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34442131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8382 + ... + 11795.

It is an arithmetic number, because the mean of its divisors is an integer number (5750730).

Almost surely, 2^34442139 is an apocalyptic number.

34442139 is a deficient number, since it is larger than the sum of its proper divisors (11563701).

34442139 is a wasteful number, since it uses less digits than its factorization.

34442139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20749.

The product of its digits is 10368, while the sum is 30.

The square root of 34442139 is about 5868.7425399314. The cubic root of 34442139 is about 325.3594098856.

The spelling of 34442139 in words is "thirty-four million, four hundred forty-two thousand, one hundred thirty-nine".