34908139 has 24 divisors (see below), whose sum is σ = 42667008. Its totient is φ = 28523880.

The previous prime is 34908121. The next prime is 34908173. The reversal of 34908139 is 93180943.

It is not a de Polignac number, because 34908139 - 2¹⁹ = 34383851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34908098 and 34908107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34908239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 520984 + ... + 521050.

It is an arithmetic number, because the mean of its divisors is an integer number (1777792).

Almost surely, 2^34908139 is an apocalyptic number.

34908139 is a deficient number, since it is larger than the sum of its proper divisors (7758869).

34908139 is an frugal number, since it uses more digits than its factorization.

34908139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 34908139 is about 5908.3110107712. The cubic root of 34908139 is about 326.8202056005.

The spelling of 34908139 in words is "thirty-four million, nine hundred eight thousand, one hundred thirty-nine".