8139852 has 120 divisors (see below), whose sum is σ = 25233824. Its totient is φ = 2239488.

The previous prime is 8139829. The next prime is 8139869. The reversal of 8139852 is 2589318.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 83868 + ... + 83964.

Almost surely, 2^8139852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8139852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12616912).

8139852 is an abundant number, since it is smaller than the sum of its proper divisors (17093972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8139852 is a wasteful number, since it uses less digits than its factorization.

8139852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 146 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 8139852 is about 2853.0425864329. The cubic root of 8139852 is about 201.1587073556.

The spelling of 8139852 in words is "eight million, one hundred thirty-nine thousand, eight hundred fifty-two".