36268138 has 4 divisors (see below), whose sum is σ = 54402210. Its totient is φ = 18134068.

The previous prime is 36268129. The next prime is 36268139. The reversal of 36268138 is 83186263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83186263 = 137 ⋅607199.

It can be written as a sum of positive squares in only one way, i.e., 31326409 + 4941729 = 5597^2 + 2223^2 .

It is a junction number, because it is equal to n+sod(n) for n = 36268097 and 36268106.

It is not an unprimeable number, because it can be changed into a prime (36268139) 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, 9067033 + ... + 9067036.

Almost surely, 2^36268138 is an apocalyptic number.

36268138 is a deficient number, since it is larger than the sum of its proper divisors (18134072).

36268138 is a wasteful number, since it uses less digits than its factorization.

36268138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18134071.

The product of its digits is 41472, while the sum is 37.

The square root of 36268138 is about 6022.3033799369. The cubic root of 36268138 is about 331.0104869762.

The spelling of 36268138 in words is "thirty-six million, two hundred sixty-eight thousand, one hundred thirty-eight".