536444138 has 8 divisors (see below), whose sum is σ = 847017120. Its totient is φ = 254105100.

The previous prime is 536444137. The next prime is 536444149. The reversal of 536444138 is 831444635.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 14116951 = 536444138 / (5 + 3 + 6 + 4 + 4 + 4 + 1 + 3 + 8).

It is not an unprimeable number, because it can be changed into a prime (536444137) 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, 7058438 + ... + 7058513.

It is an arithmetic number, because the mean of its divisors is an integer number (105877140).

Almost surely, 2^536444138 is an apocalyptic number.

536444138 is a deficient number, since it is larger than the sum of its proper divisors (310572982).

536444138 is a wasteful number, since it uses less digits than its factorization.

536444138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14116972.

The product of its digits is 138240, while the sum is 38.

The square root of 536444138 is about 23161.2637392695. The cubic root of 536444138 is about 812.5339223076.

The spelling of 536444138 in words is "five hundred thirty-six million, four hundred forty-four thousand, one hundred thirty-eight".