18136753 has 2 divisors, whose sum is σ = 18136754. Its totient is φ = 18136752.

The previous prime is 18136751. The next prime is 18136757. The reversal of 18136753 is 35763181.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12510369 + 5626384 = 3537^2 + 2372^2 .

It is a cyclic number.

It is not a de Polignac number, because 18136753 - 2¹ = 18136751 is a prime.

Together with 18136751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (18136751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9068376 + 9068377.

It is an arithmetic number, because the mean of its divisors is an integer number (9068377).

Almost surely, 2^18136753 is an apocalyptic number.

It is an amenable number.

18136753 is a deficient number, since it is larger than the sum of its proper divisors (1).

18136753 is an equidigital number, since it uses as much as digits as its factorization.

18136753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 34.

The square root of 18136753 is about 4258.7266876380. The cubic root of 18136753 is about 262.7361587529.

The spelling of 18136753 in words is "eighteen million, one hundred thirty-six thousand, seven hundred fifty-three".