36686141 has 4 divisors (see below), whose sum is σ = 37308000. Its totient is φ = 36064284.

The previous prime is 36686107. The next prime is 36686147. The reversal of 36686141 is 14168663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14168663 = 1867 ⋅7589.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36686141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36686147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310841 + ... + 310958.

It is an arithmetic number, because the mean of its divisors is an integer number (9327000).

Almost surely, 2^36686141 is an apocalyptic number.

It is an amenable number.

36686141 is a deficient number, since it is larger than the sum of its proper divisors (621859).

36686141 is an equidigital number, since it uses as much as digits as its factorization.

36686141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621858.

The product of its digits is 20736, while the sum is 35.

The square root of 36686141 is about 6056.9085348881. The cubic root of 36686141 is about 332.2773031561.

The spelling of 36686141 in words is "thirty-six million, six hundred eighty-six thousand, one hundred forty-one".