436000138 has 24 divisors (see below), whose sum is σ = 761753700. Its totient is φ = 186617088.

The previous prime is 436000111. The next prime is 436000141. The reversal of 436000138 is 831000634.

It can be written as a sum of positive squares in 2 ways, for example, as 304048969 + 131951169 = 17437^2 + 11487^2 .

It is a super-2 number, since 2×436000138² = 380192240672038088, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88648 + ... + 93436.

Almost surely, 2^436000138 is an apocalyptic number.

436000138 is a deficient number, since it is larger than the sum of its proper divisors (325753562).

436000138 is a wasteful number, since it uses less digits than its factorization.

436000138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5734 (or 5727 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 436000138 is about 20880.6163223215. The cubic root of 436000138 is about 758.2787326894.

The spelling of 436000138 in words is "four hundred thirty-six million, one hundred thirty-eight", and thus it is an aban number.