36616131 has 20 divisors (see below), whose sum is σ = 54946584. Its totient is φ = 24300000.

The previous prime is 36616109. The next prime is 36616133. The reversal of 36616131 is 13161663.

It is a happy number.

36616131 is a `hidden beast` number, since 36 + 616 + 13 + 1 = 666.

It is not a de Polignac number, because 36616131 - 2⁷ = 36616003 is a prime.

It is a super-2 number, since 2×36616131² = 2681482098818322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 36616095 and 36616104.

It is not an unprimeable number, because it can be changed into a prime (36616133) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 19431 + ... + 21231.

Almost surely, 2^36616131 is an apocalyptic number.

36616131 is a deficient number, since it is larger than the sum of its proper divisors (18330453).

36616131 is a wasteful number, since it uses less digits than its factorization.

36616131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064 (or 2055 counting only the distinct ones).

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

The square root of 36616131 is about 6051.1264240635. The cubic root of 36616131 is about 332.0658014202.

Adding to 36616131 its reverse (13161663), we get a palindrome (49777794).

The spelling of 36616131 in words is "thirty-six million, six hundred sixteen thousand, one hundred thirty-one".