36131269 has 2 divisors, whose sum is σ = 36131270. Its totient is φ = 36131268.

The previous prime is 36131257. The next prime is 36131287. The reversal of 36131269 is 96213163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22896225 + 13235044 = 4785^2 + 3638^2 .

It is a cyclic number.

It is not a de Polignac number, because 36131269 - 2⁵ = 36131237 is a prime.

It is a super-2 number, since 2×36131269² = 2610937199100722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36131269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36131219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18065634 + 18065635.

It is an arithmetic number, because the mean of its divisors is an integer number (18065635).

Almost surely, 2^36131269 is an apocalyptic number.

It is an amenable number.

36131269 is a deficient number, since it is larger than the sum of its proper divisors (1).

36131269 is an equidigital number, since it uses as much as digits as its factorization.

36131269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 36131269 is about 6010.9291295107. The cubic root of 36131269 is about 330.5935720428.

The spelling of 36131269 in words is "thirty-six million, one hundred thirty-one thousand, two hundred sixty-nine".