36138838 has 8 divisors (see below), whose sum is σ = 57397032. Its totient is φ = 17006496.

The previous prime is 36138829. The next prime is 36138859. The reversal of 36138838 is 83883163.

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

It is a super-2 number, since 2×36138838² = 2612031223980488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36138838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531420 + ... + 531487.

It is an arithmetic number, because the mean of its divisors is an integer number (7174629).

Almost surely, 2^36138838 is an apocalyptic number.

36138838 is a deficient number, since it is larger than the sum of its proper divisors (21258194).

36138838 is a wasteful number, since it uses less digits than its factorization.

36138838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062926.

The product of its digits is 82944, while the sum is 40.

The square root of 36138838 is about 6011.5586997051. The cubic root of 36138838 is about 330.6166553545.

The spelling of 36138838 in words is "thirty-six million, one hundred thirty-eight thousand, eight hundred thirty-eight".