36918149 has 2 divisors, whose sum is σ = 36918150. Its totient is φ = 36918148.

The previous prime is 36918143. The next prime is 36918173. The reversal of 36918149 is 94181963.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27196225 + 9721924 = 5215^2 + 3118^2 .

It is an emirp because it is prime and its reverse (94181963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36918149 - 2²⁴ = 20140933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36918143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18459074 + 18459075.

It is an arithmetic number, because the mean of its divisors is an integer number (18459075).

Almost surely, 2^36918149 is an apocalyptic number.

It is an amenable number.

36918149 is a deficient number, since it is larger than the sum of its proper divisors (1).

36918149 is an equidigital number, since it uses as much as digits as its factorization.

36918149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 41.

The square root of 36918149 is about 6076.0306944583. The cubic root of 36918149 is about 332.9762869123.

The spelling of 36918149 in words is "thirty-six million, nine hundred eighteen thousand, one hundred forty-nine".