36138863 has 2 divisors, whose sum is σ = 36138864. Its totient is φ = 36138862.

The previous prime is 36138859. The next prime is 36138881. The reversal of 36138863 is 36883163.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36138863 - 2² = 36138859 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36138803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18069431 + 18069432.

It is an arithmetic number, because the mean of its divisors is an integer number (18069432).

Almost surely, 2^36138863 is an apocalyptic number.

36138863 is a deficient number, since it is larger than the sum of its proper divisors (1).

36138863 is an equidigital number, since it uses as much as digits as its factorization.

36138863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 38.

The square root of 36138863 is about 6011.5607790323. The cubic root of 36138863 is about 330.6167315921.

The spelling of 36138863 in words is "thirty-six million, one hundred thirty-eight thousand, eight hundred sixty-three".