34427139 has 4 divisors (see below), whose sum is σ = 45902856. Its totient is φ = 22951424.

The previous prime is 34427123. The next prime is 34427153. The reversal of 34427139 is 93172443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 34427139 - 2⁴ = 34427123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34427179) 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, 5737854 + ... + 5737859.

It is an arithmetic number, because the mean of its divisors is an integer number (11475714).

Almost surely, 2^34427139 is an apocalyptic number.

34427139 is a deficient number, since it is larger than the sum of its proper divisors (11475717).

34427139 is a wasteful number, since it uses less digits than its factorization.

34427139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11475716.

The product of its digits is 18144, while the sum is 33.

The square root of 34427139 is about 5867.4644438633. The cubic root of 34427139 is about 325.3121702739.

The spelling of 34427139 in words is "thirty-four million, four hundred twenty-seven thousand, one hundred thirty-nine".