36129269 has 6 divisors (see below), whose sum is σ = 39712470. Its totient is φ = 32844680.

The previous prime is 36129259. The next prime is 36129271. The reversal of 36129269 is 96292163.

It can be written as a sum of positive squares in only one way, i.e., 33988900 + 2140369 = 5830^2 + 1463^2 .

It is not a de Polignac number, because 36129269 - 2²⁰ = 35080693 is a prime.

It is a super-2 number, since 2×36129269² = 2610648156948722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36129259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149174 + ... + 149415.

It is an arithmetic number, because the mean of its divisors is an integer number (6618745).

Almost surely, 2^36129269 is an apocalyptic number.

It is an amenable number.

36129269 is a deficient number, since it is larger than the sum of its proper divisors (3583201).

36129269 is a wasteful number, since it uses less digits than its factorization.

36129269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298611 (or 298600 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 36129269 is about 6010.7627635767. The cubic root of 36129269 is about 330.5874720693.

The spelling of 36129269 in words is "thirty-six million, one hundred twenty-nine thousand, two hundred sixty-nine".