34129909 has 16 divisors (see below), whose sum is σ = 39746880. Its totient is φ = 28978560.

The previous prime is 34129891. The next prime is 34129919. The reversal of 34129909 is 90992143.

34129909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 34129909 - 2⁹ = 34129397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34129919) 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 15 ways as a sum of consecutive naturals, for example, 14139 + ... + 16375.

It is an arithmetic number, because the mean of its divisors is an integer number (2484180).

Almost surely, 2^34129909 is an apocalyptic number.

It is an amenable number.

34129909 is a deficient number, since it is larger than the sum of its proper divisors (5616971).

34129909 is a wasteful number, since it uses less digits than its factorization.

34129909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2340.

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 34129909 is about 5842.0808792758. The cubic root of 34129909 is about 324.3732584183.

The spelling of 34129909 in words is "thirty-four million, one hundred twenty-nine thousand, nine hundred nine".