36444138 has 16 divisors (see below), whose sum is σ = 73767456. Its totient is φ = 12001520.

The previous prime is 36444103. The next prime is 36444151. The reversal of 36444138 is 83144463.

It is a happy number.

36444138 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 = 36444099 and 36444108.

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 in 7 ways as a sum of consecutive naturals, for example, 36093 + ... + 37088.

It is an arithmetic number, because the mean of its divisors is an integer number (4610466).

Almost surely, 2^36444138 is an apocalyptic number.

36444138 is an abundant number, since it is smaller than the sum of its proper divisors (37323318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36444138 is a wasteful number, since it uses less digits than its factorization.

36444138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73269.

The product of its digits is 27648, while the sum is 33.

The square root of 36444138 is about 6036.8980445258. The cubic root of 36444138 is about 331.5450596098.

The spelling of 36444138 in words is "thirty-six million, four hundred forty-four thousand, one hundred thirty-eight".