139375 has 10 divisors (see below), whose sum is σ = 174944. Its totient is φ = 111000.

The previous prime is 139369. The next prime is 139387. The reversal of 139375 is 573931.

It is not a de Polignac number, because 139375 - 2³ = 139367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 514 + ... + 736.

2¹³⁹³⁷⁵ is an apocalyptic number.

139375 is a deficient number, since it is larger than the sum of its proper divisors (35569).

139375 is an frugal number, since it uses more digits than its factorization.

139375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 228 counting only the distinct ones).

The product of its digits is 2835, while the sum is 28.

The square root of 139375 is about 373.3296130767. The cubic root of 139375 is about 51.8475564910.

It can be divided in two parts, 139 and 375, that multiplied together give a palindrome (52125).

The spelling of 139375 in words is "one hundred thirty-nine thousand, three hundred seventy-five".