36138386 has 8 divisors (see below), whose sum is σ = 54280380. Its totient is φ = 18044928.

The previous prime is 36138383. The next prime is 36138391. The reversal of 36138386 is 68383163.

36138386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35772361 + 366025 = 5981^2 + 605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (36138383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10211 + ... + 13286.

Almost surely, 2^36138386 is an apocalyptic number.

36138386 is a deficient number, since it is larger than the sum of its proper divisors (18141994).

36138386 is a wasteful number, since it uses less digits than its factorization.

36138386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24268.

The product of its digits is 62208, while the sum is 38.

The square root of 36138386 is about 6011.5211053443. The cubic root of 36138386 is about 330.6152769727.

The spelling of 36138386 in words is "thirty-six million, one hundred thirty-eight thousand, three hundred eighty-six".