17139530 has 16 divisors (see below), whose sum is σ = 31001184. Its totient is φ = 6822480.

The previous prime is 17139481. The next prime is 17139569. The reversal of 17139530 is 3593171.

It is a junction number, because it is equal to n+sod(n) for n = 17139493 and 17139502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1952 + ... + 6171.

It is an arithmetic number, because the mean of its divisors is an integer number (1937574).

Almost surely, 2^17139530 is an apocalyptic number.

17139530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

17139530 is a deficient number, since it is larger than the sum of its proper divisors (13861654).

17139530 is a wasteful number, since it uses less digits than its factorization.

17139530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 17139530 is about 4139.9915458851. The cubic root of 17139530 is about 257.8297155691.

The spelling of 17139530 in words is "seventeen million, one hundred thirty-nine thousand, five hundred thirty".