36319189 has 2 divisors, whose sum is σ = 36319190. Its totient is φ = 36319188.

The previous prime is 36319187. The next prime is 36319193. The reversal of 36319189 is 98191363.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25150225 + 11168964 = 5015^2 + 3342^2 .

It is a cyclic number.

It is not a de Polignac number, because 36319189 - 2¹ = 36319187 is a prime.

Together with 36319187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36319181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18159594 + 18159595.

It is an arithmetic number, because the mean of its divisors is an integer number (18159595).

Almost surely, 2^36319189 is an apocalyptic number.

It is an amenable number.

36319189 is a deficient number, since it is larger than the sum of its proper divisors (1).

36319189 is an equidigital number, since it uses as much as digits as its factorization.

36319189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 40.

The square root of 36319189 is about 6026.5403840014. The cubic root of 36319189 is about 331.1657241877.

It can be divided in two parts, 36 and 319189, that added together give a square (319225 = 565²).

The spelling of 36319189 in words is "thirty-six million, three hundred nineteen thousand, one hundred eighty-nine".