8139352 has 32 divisors (see below), whose sum is σ = 16717680. Its totient is φ = 3692160.

The previous prime is 8139337. The next prime is 8139359. The reversal of 8139352 is 2539318.

It is a happy number.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8139359) 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 7 ways as a sum of consecutive naturals, for example, 5703 + ... + 6985.

Almost surely, 2^8139352 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 8139352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8358840).

8139352 is an abundant number, since it is smaller than the sum of its proper divisors (8578328).

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

8139352 is a wasteful number, since it uses less digits than its factorization.

8139352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1359 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 8139352 is about 2852.9549593360. The cubic root of 8139352 is about 201.1545884677.

The spelling of 8139352 in words is "eight million, one hundred thirty-nine thousand, three hundred fifty-two".