36131644 has 6 divisors (see below), whose sum is σ = 63230384. Its totient is φ = 18065820.

The previous prime is 36131633. The next prime is 36131663. The reversal of 36131644 is 44613163.

36131644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4516452 + ... + 4516459.

Almost surely, 2^36131644 is an apocalyptic number.

It is an amenable number.

36131644 is a deficient number, since it is larger than the sum of its proper divisors (27098740).

36131644 is a wasteful number, since it uses less digits than its factorization.

36131644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032915 (or 9032913 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 36131644 is about 6010.9603226107. The cubic root of 36131644 is about 330.5947157627.

The spelling of 36131644 in words is "thirty-six million, one hundred thirty-one thousand, six hundred forty-four".