36131236 has 24 divisors (see below), whose sum is σ = 66920000. Its totient is φ = 17021664.

The previous prime is 36131233. The next prime is 36131237. The reversal of 36131236 is 63213163.

It is a self number, because there is not a number n which added to its sum of digits gives 36131236.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36131231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13930 + ... + 16318.

Almost surely, 2^36131236 is an apocalyptic number.

It is an amenable number.

36131236 is a deficient number, since it is larger than the sum of its proper divisors (30788764).

36131236 is a wasteful number, since it uses less digits than its factorization.

36131236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611 (or 2609 counting only the distinct ones).

The product of its digits is 1944, while the sum is 25.

The square root of 36131236 is about 6010.9263845101. The cubic root of 36131236 is about 330.5934713950.

Adding to 36131236 its reverse (63213163), we get a palindrome (99344399).

The spelling of 36131236 in words is "thirty-six million, one hundred thirty-one thousand, two hundred thirty-six".