8138602 has 4 divisors (see below), whose sum is σ = 12207906. Its totient is φ = 4069300.

The previous prime is 8138579. The next prime is 8138629. The reversal of 8138602 is 2068318.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6548481 + 1590121 = 2559^2 + 1261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034649 + ... + 2034652.

Almost surely, 2^8138602 is an apocalyptic number.

8138602 is a deficient number, since it is larger than the sum of its proper divisors (4069304).

8138602 is a wasteful number, since it uses less digits than its factorization.

8138602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069303.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 8138602 is about 2852.8235136440. The cubic root of 8138602 is about 201.1484098196.

It can be divided in two parts, 81 and 38602, that added together give a palindrome (38683).

The spelling of 8138602 in words is "eight million, one hundred thirty-eight thousand, six hundred two".