39135173 has 24 divisors (see below), whose sum is σ = 52596864. Its totient is φ = 28694400.

The previous prime is 39135163. The next prime is 39135191. The reversal of 39135173 is 37153193.

39135173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39135173 - 2⁴ = 39135157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39135133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7028 + ... + 11298.

It is an arithmetic number, because the mean of its divisors is an integer number (2191536).

Almost surely, 2^39135173 is an apocalyptic number.

It is an amenable number.

39135173 is a deficient number, since it is larger than the sum of its proper divisors (13461691).

39135173 is a wasteful number, since it uses less digits than its factorization.

39135173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4313 (or 4306 counting only the distinct ones).

The product of its digits is 8505, while the sum is 32.

The square root of 39135173 is about 6255.8111384536. The cubic root of 39135173 is about 339.5124875840.

The spelling of 39135173 in words is "thirty-nine million, one hundred thirty-five thousand, one hundred seventy-three".