139175 has 12 divisors (see below), whose sum is σ = 182280. Its totient is φ = 105120.

The previous prime is 139169. The next prime is 139177. The reversal of 139175 is 571931.

It is a de Polignac number, because none of the positive numbers 2^k-139175 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139177) by changing a digit.

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, 329 + ... + 621.

It is an arithmetic number, because the mean of its divisors is an integer number (15190).

2¹³⁹¹⁷⁵ is an apocalyptic number.

139175 is a deficient number, since it is larger than the sum of its proper divisors (43105).

139175 is a wasteful number, since it uses less digits than its factorization.

139175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 317 counting only the distinct ones).

The product of its digits is 945, while the sum is 26.

The square root of 139175 is about 373.0616571024. The cubic root of 139175 is about 51.8227445920.

The spelling of 139175 in words is "one hundred thirty-nine thousand, one hundred seventy-five".