17057139 has 8 divisors (see below), whose sum is σ = 24810432. Its totient is φ = 10337640.

The previous prime is 17057129. The next prime is 17057141. The reversal of 17057139 is 93175071.

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

It is not a de Polignac number, because 17057139 - 2⁴ = 17057123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 516883 = 17057139 / (1 + 7 + 0 + 5 + 7 + 1 + 3 + 9).

It is not an unprimeable number, because it can be changed into a prime (17057119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258409 + ... + 258474.

It is an arithmetic number, because the mean of its divisors is an integer number (3101304).

Almost surely, 2^17057139 is an apocalyptic number.

17057139 is a deficient number, since it is larger than the sum of its proper divisors (7753293).

17057139 is a wasteful number, since it uses less digits than its factorization.

17057139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516897.

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 17057139 is about 4130.0289345233. The cubic root of 17057139 is about 257.4159162420.

The spelling of 17057139 in words is "seventeen million, fifty-seven thousand, one hundred thirty-nine".