939138 has 16 divisors (see below), whose sum is σ = 1890336. Its totient is φ = 311040.

The previous prime is 939121. The next prime is 939157. The reversal of 939138 is 831939.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 939099 and 939108.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 939138.

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, 753 + ... + 1563.

It is an arithmetic number, because the mean of its divisors is an integer number (118146).

2⁹³⁹¹³⁸ is an apocalyptic number.

939138 is an abundant number, since it is smaller than the sum of its proper divisors (951198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

939138 is a wasteful number, since it uses less digits than its factorization.

939138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009.

The product of its digits is 5832, while the sum is 33.

The square root of 939138 is about 969.0913269656. The cubic root of 939138 is about 97.9286583372.

The spelling of 939138 in words is "nine hundred thirty-nine thousand, one hundred thirty-eight".