36138737 has 2 divisors, whose sum is σ = 36138738. Its totient is φ = 36138736.

The previous prime is 36138691. The next prime is 36138743. The reversal of 36138737 is 73783163.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36012001 + 126736 = 6001^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 36138737 - 2¹⁸ = 35876593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36138737.

It is not a weakly prime, because it can be changed into another prime (36138757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18069368 + 18069369.

It is an arithmetic number, because the mean of its divisors is an integer number (18069369).

Almost surely, 2^36138737 is an apocalyptic number.

It is an amenable number.

36138737 is a deficient number, since it is larger than the sum of its proper divisors (1).

36138737 is an equidigital number, since it uses as much as digits as its factorization.

36138737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 38.

The square root of 36138737 is about 6011.5502992157. The cubic root of 36138737 is about 330.6163473543.

The spelling of 36138737 in words is "thirty-six million, one hundred thirty-eight thousand, seven hundred thirty-seven".