39885133 has 4 divisors (see below), whose sum is σ = 40015360. Its totient is φ = 39754908.

The previous prime is 39885113. The next prime is 39885137. The reversal of 39885133 is 33158893.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39885133 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 (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 in 3 ways as a sum of consecutive naturals, for example, 64653 + ... + 65266.

It is an arithmetic number, because the mean of its divisors is an integer number (10003840).

Almost surely, 2^39885133 is an apocalyptic number.

It is an amenable number.

39885133 is a deficient number, since it is larger than the sum of its proper divisors (130227).

39885133 is a wasteful number, since it uses less digits than its factorization.

39885133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130226.

The product of its digits is 77760, while the sum is 40.

The square root of 39885133 is about 6315.4677578149. The cubic root of 39885133 is about 341.6675091261.

The spelling of 39885133 in words is "thirty-nine million, eight hundred eighty-five thousand, one hundred thirty-three".