8138252 has 12 divisors (see below), whose sum is σ = 14333760. Its totient is φ = 4042896.

The previous prime is 8138243. The next prime is 8138279. The reversal of 8138252 is 2528318.

It is a super-2 number, since 2×8138252² = 132462291231008, which contains 22 as substring.

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 5852 + ... + 7107.

It is an arithmetic number, because the mean of its divisors is an integer number (1194480).

Almost surely, 2^8138252 is an apocalyptic number.

It is an amenable number.

8138252 is a deficient number, since it is larger than the sum of its proper divisors (6195508).

8138252 is a wasteful number, since it uses less digits than its factorization.

8138252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13120 (or 13118 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 8138252 is about 2852.7621702483. The cubic root of 8138252 is about 201.1455263206.

The spelling of 8138252 in words is "eight million, one hundred thirty-eight thousand, two hundred fifty-two".