8651138 has 4 divisors (see below), whose sum is σ = 12976710. Its totient is φ = 4325568.

The previous prime is 8651119. The next prime is 8651141. The reversal of 8651138 is 8311568.

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., 8427409 + 223729 = 2903^2 + 473^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2162783 + ... + 2162786.

Almost surely, 2^8651138 is an apocalyptic number.

8651138 is a deficient number, since it is larger than the sum of its proper divisors (4325572).

8651138 is a wasteful number, since it uses less digits than its factorization.

8651138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325571.

The product of its digits is 5760, while the sum is 32.

The square root of 8651138 is about 2941.2816934119. The cubic root of 8651138 is about 205.2852503321.

The spelling of 8651138 in words is "eight million, six hundred fifty-one thousand, one hundred thirty-eight".