8759138 has 4 divisors (see below), whose sum is σ = 13138710. Its totient is φ = 4379568.

The previous prime is 8759137. The next prime is 8759141. The reversal of 8759138 is 8319578.

It is a happy number.

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., 7745089 + 1014049 = 2783^2 + 1007^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8759095 and 8759104.

It is not an unprimeable number, because it can be changed into a prime (8759137) 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 as a sum of consecutive naturals, namely, 2189783 + ... + 2189786.

Almost surely, 2^8759138 is an apocalyptic number.

8759138 is a deficient number, since it is larger than the sum of its proper divisors (4379572).

8759138 is a wasteful number, since it uses less digits than its factorization.

8759138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379571.

The product of its digits is 60480, while the sum is 41.

The square root of 8759138 is about 2959.5840924022. The cubic root of 8759138 is about 206.1359739477.

The spelling of 8759138 in words is "eight million, seven hundred fifty-nine thousand, one hundred thirty-eight".