195039 has 12 divisors (see below), whose sum is σ = 303576. Its totient is φ = 119952.

The previous prime is 195029. The next prime is 195043. The reversal of 195039 is 930591.

195039 is nontrivially palindromic in base 14.

It is not a de Polignac number, because 195039 - 2⁴ = 195023 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

195039 is a lucky number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 717 + ... + 950.

It is an arithmetic number, because the mean of its divisors is an integer number (25298).

2¹⁹⁵⁰³⁹ is an apocalyptic number.

195039 is a deficient number, since it is larger than the sum of its proper divisors (108537).

195039 is a wasteful number, since it uses less digits than its factorization.

195039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 195039 is about 441.6321999130. The cubic root of 195039 is about 57.9927656455.

The spelling of 195039 in words is "one hundred ninety-five thousand, thirty-nine".