39885135 has 16 divisors (see below), whose sum is σ = 63965184. Its totient is φ = 21222432.

The previous prime is 39885113. The next prime is 39885137. The reversal of 39885135 is 53158893.

It is not a de Polignac number, because 39885135 - 2⁵ = 39885103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39885137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4074 + ... + 9816.

It is an arithmetic number, because the mean of its divisors is an integer number (3997824).

Almost surely, 2^39885135 is an apocalyptic number.

39885135 is a deficient number, since it is larger than the sum of its proper divisors (24080049).

39885135 is a wasteful number, since it uses less digits than its factorization.

39885135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6214.

The product of its digits is 129600, while the sum is 42.

The square root of 39885135 is about 6315.4679161563. The cubic root of 39885135 is about 341.6675148369.

The spelling of 39885135 in words is "thirty-nine million, eight hundred eighty-five thousand, one hundred thirty-five".