36868147 has 2 divisors, whose sum is σ = 36868148. Its totient is φ = 36868146.

The previous prime is 36868141. The next prime is 36868159. The reversal of 36868147 is 74186863.

It is a weak prime.

It is an emirp because it is prime and its reverse (74186863) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36868147 is a prime.

It is not a weakly prime, because it can be changed into another prime (36868141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18434073 + 18434074.

It is an arithmetic number, because the mean of its divisors is an integer number (18434074).

Almost surely, 2^36868147 is an apocalyptic number.

36868147 is a deficient number, since it is larger than the sum of its proper divisors (1).

36868147 is an equidigital number, since it uses as much as digits as its factorization.

36868147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 36868147 is about 6071.9146074364. The cubic root of 36868147 is about 332.8258911214.

The spelling of 36868147 in words is "thirty-six million, eight hundred sixty-eight thousand, one hundred forty-seven".