36159129 has 28 divisors (see below), whose sum is σ = 54706836. Its totient is φ = 23887872.

The previous prime is 36159127. The next prime is 36159133. The reversal of 36159129 is 92195163.

36159129 is a `hidden beast` number, since 3 + 61 + 591 + 2 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24950025 + 11209104 = 4995^2 + 3348^2 .

It is not a de Polignac number, because 36159129 - 2¹ = 36159127 is a prime.

It is a super-2 number, since 2×36159129² = 2614965220077282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36159093 and 36159102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36159127) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 140569 + ... + 140825.

It is a vampire number, since it can be written as 5211 ⋅ 6939 (with its own digits).

Almost surely, 2^36159129 is an apocalyptic number.

It is an amenable number.

36159129 is a deficient number, since it is larger than the sum of its proper divisors (18547707).

36159129 is an equidigital number, since it uses as much as digits as its factorization.

36159129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 453 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 36159129 is about 6013.2461283403. The cubic root of 36159129 is about 330.6785212746.

The spelling of 36159129 in words is "thirty-six million, one hundred fifty-nine thousand, one hundred twenty-nine".