36143109 has 12 divisors (see below), whose sum is σ = 52404300. Its totient is φ = 24004224.

The previous prime is 36143101. The next prime is 36143113. The reversal of 36143109 is 90134163.

It can be written as a sum of positive squares in 2 ways, for example, as 15920100 + 20223009 = 3990^2 + 4497^2 .

It is not a de Polignac number, because 36143109 - 2³ = 36143101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36143101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5044 + ... + 9885.

It is an arithmetic number, because the mean of its divisors is an integer number (4367025).

Almost surely, 2^36143109 is an apocalyptic number.

It is an amenable number.

36143109 is a deficient number, since it is larger than the sum of its proper divisors (16261191).

36143109 is a wasteful number, since it uses less digits than its factorization.

36143109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15204 (or 15201 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 36143109 is about 6011.9139215395. The cubic root of 36143109 is about 330.6296792755.

The spelling of 36143109 in words is "thirty-six million, one hundred forty-three thousand, one hundred nine".