8138702 has 36 divisors (see below), whose sum is σ = 14603400. Its totient is φ = 3397680.

The previous prime is 8138693. The next prime is 8138717. The reversal of 8138702 is 2078318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 40799 + ... + 40997.

It is an arithmetic number, because the mean of its divisors is an integer number (405650).

Almost surely, 2^8138702 is an apocalyptic number.

8138702 is a deficient number, since it is larger than the sum of its proper divisors (6464698).

8138702 is a wasteful number, since it uses less digits than its factorization.

8138702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 8138702 is about 2852.8410400862. The cubic root of 8138702 is about 201.1492336613.

It can be divided in two parts, 81 and 38702, that added together give a palindrome (38783).

The spelling of 8138702 in words is "eight million, one hundred thirty-eight thousand, seven hundred two".