8956138 has 4 divisors (see below), whose sum is σ = 13434210. Its totient is φ = 4478068.

The previous prime is 8956133. The next prime is 8956139. The reversal of 8956138 is 8316598.

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., 5938969 + 3017169 = 2437^2 + 1737^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8956138.

It is not an unprimeable number, because it can be changed into a prime (8956133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239033 + ... + 2239036.

Almost surely, 2^8956138 is an apocalyptic number.

8956138 is a deficient number, since it is larger than the sum of its proper divisors (4478072).

8956138 is a wasteful number, since it uses less digits than its factorization.

8956138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4478071.

The product of its digits is 51840, while the sum is 40.

The square root of 8956138 is about 2992.6807380675. The cubic root of 8956138 is about 207.6699183983.

The spelling of 8956138 in words is "eight million, nine hundred fifty-six thousand, one hundred thirty-eight".