8138002 has 16 divisors (see below), whose sum is σ = 13276440. Its totient is φ = 3725568.

The previous prime is 8137999. The next prime is 8138063. The reversal of 8138002 is 2008318.

It can be written as a sum of positive squares in 4 ways, for example, as 7447441 + 690561 = 2729^2 + 831^2 .

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 7 ways as a sum of consecutive naturals, for example, 1977 + ... + 4492.

Almost surely, 2^8138002 is an apocalyptic number.

8138002 is a deficient number, since it is larger than the sum of its proper divisors (5138438).

8138002 is a wasteful number, since it uses less digits than its factorization.

8138002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 8138002 is about 2852.7183527296. The cubic root of 8138002 is about 201.1434666278.

It can be divided in two parts, 81 and 38002, that added together give a palindrome (38083).

The spelling of 8138002 in words is "eight million, one hundred thirty-eight thousand, two".