39885134 has 4 divisors (see below), whose sum is σ = 59827704. Its totient is φ = 19942566.

The previous prime is 39885113. The next prime is 39885137. The reversal of 39885134 is 43158893.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43158893 = 149 ⋅289657.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39885091 and 39885100.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9971282 + ... + 9971285.

It is an arithmetic number, because the mean of its divisors is an integer number (14956926).

Almost surely, 2^39885134 is an apocalyptic number.

39885134 is a deficient number, since it is larger than the sum of its proper divisors (19942570).

39885134 is a wasteful number, since it uses less digits than its factorization.

39885134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19942569.

The product of its digits is 103680, while the sum is 41.

The square root of 39885134 is about 6315.4678369856. The cubic root of 39885134 is about 341.6675119815.

The spelling of 39885134 in words is "thirty-nine million, eight hundred eighty-five thousand, one hundred thirty-four".