36138361 has 32 divisors (see below), whose sum is σ = 45619200. Its totient is φ = 27941760.

The previous prime is 36138353. The next prime is 36138367. The reversal of 36138361 is 16383163.

It is not a de Polignac number, because 36138361 - 2³ = 36138353 is a prime.

It is a super-2 number, since 2×36138361² = 2611962271532642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36138367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406005 + ... + 406093.

It is an arithmetic number, because the mean of its divisors is an integer number (1425600).

Almost surely, 2^36138361 is an apocalyptic number.

It is an amenable number.

36138361 is a deficient number, since it is larger than the sum of its proper divisors (9480839).

36138361 is a wasteful number, since it uses less digits than its factorization.

36138361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its digits is 7776, while the sum is 31.

The square root of 36138361 is about 6011.5190260033. The cubic root of 36138361 is about 330.6152007344.

The spelling of 36138361 in words is "thirty-six million, one hundred thirty-eight thousand, three hundred sixty-one".