36128438 has 16 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 17745000.

The previous prime is 36128437. The next prime is 36128441. The reversal of 36128438 is 83482163.

It is a happy number.

36128438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 36128398 and 36128407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36128431) 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, 39203 + ... + 40113.

It is an arithmetic number, because the mean of its divisors is an integer number (3447360).

Almost surely, 2^36128438 is an apocalyptic number.

36128438 is a deficient number, since it is larger than the sum of its proper divisors (19029322).

36128438 is a wasteful number, since it uses less digits than its factorization.

36128438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243.

The product of its digits is 27648, while the sum is 35.

The square root of 36128438 is about 6010.6936371770. The cubic root of 36128438 is about 330.5849374642.

The spelling of 36128438 in words is "thirty-six million, one hundred twenty-eight thousand, four hundred thirty-eight".