36557131 has 8 divisors (see below), whose sum is σ = 39463200. Its totient is φ = 33664512.

The previous prime is 36557111. The next prime is 36557141. The reversal of 36557131 is 13175563.

36557131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36557131 - 2²¹ = 34459979 is a prime.

It is a super-2 number, since 2×36557131² = 2672847653902322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36557093 and 36557102.

It is not an unprimeable number, because it can be changed into a prime (36557111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2706 + ... + 8968.

It is an arithmetic number, because the mean of its divisors is an integer number (4932900).

Almost surely, 2^36557131 is an apocalyptic number.

36557131 is a deficient number, since it is larger than the sum of its proper divisors (2906069).

36557131 is a wasteful number, since it uses less digits than its factorization.

36557131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725.

The product of its digits is 9450, while the sum is 31.

The square root of 36557131 is about 6046.2493332644. The cubic root of 36557131 is about 331.8873517036.

The spelling of 36557131 in words is "thirty-six million, five hundred fifty-seven thousand, one hundred thirty-one".