17139434 has 24 divisors (see below), whose sum is σ = 29424108. Its totient is φ = 7441920.

The previous prime is 17139403. The next prime is 17139449. The reversal of 17139434 is 43493171.

It can be written as a sum of positive squares in 6 ways, for example, as 11122225 + 6017209 = 3335^2 + 2453^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 17139434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6374 + ... + 8654.

Almost surely, 2^17139434 is an apocalyptic number.

17139434 is a deficient number, since it is larger than the sum of its proper divisors (12284674).

17139434 is a wasteful number, since it uses less digits than its factorization.

17139434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330 (or 2313 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 17139434 is about 4139.9799516423. The cubic root of 17139434 is about 257.8292341926.

It can be divided in two parts, 171394 and 34, that multiplied together give a square (5827396 = 2414²).

The spelling of 17139434 in words is "seventeen million, one hundred thirty-nine thousand, four hundred thirty-four".