3636131 has 4 divisors (see below), whose sum is σ = 3669600. Its totient is φ = 3602664.

The previous prime is 3636119. The next prime is 3636169. The reversal of 3636131 is 1316363.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3636131 is a prime.

It is a super-2 number, since 2×3636131² = 26442897298322, 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 = 3636097 and 3636106.

It is not an unprimeable number, because it can be changed into a prime (3636631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16571 + ... + 16788.

It is an arithmetic number, because the mean of its divisors is an integer number (917400).

Almost surely, 2^3636131 is an apocalyptic number.

3636131 is a deficient number, since it is larger than the sum of its proper divisors (33469).

3636131 is a wasteful number, since it uses less digits than its factorization.

3636131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33468.

The product of its digits is 972, while the sum is 23.

The square root of 3636131 is about 1906.8641797464. The cubic root of 3636131 is about 153.7729126185.

The spelling of 3636131 in words is "three million, six hundred thirty-six thousand, one hundred thirty-one".