36197138 has 4 divisors (see below), whose sum is σ = 54295710. Its totient is φ = 18098568.

The previous prime is 36197113. The next prime is 36197143. The reversal of 36197138 is 83179163.

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., 27804529 + 8392609 = 5273^2 + 2897^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9049283 + ... + 9049286.

Almost surely, 2^36197138 is an apocalyptic number.

36197138 is a deficient number, since it is larger than the sum of its proper divisors (18098572).

36197138 is a wasteful number, since it uses less digits than its factorization.

36197138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18098571.

The product of its digits is 27216, while the sum is 38.

The square root of 36197138 is about 6016.4057376477. The cubic root of 36197138 is about 330.7943459539.

The spelling of 36197138 in words is "thirty-six million, one hundred ninety-seven thousand, one hundred thirty-eight".