436138136 has 16 divisors (see below), whose sum is σ = 934581840. Its totient is φ = 186916320.

The previous prime is 436138127. The next prime is 436138139. The reversal of 436138136 is 631831634.

It is a junction number, because it is equal to n+sod(n) for n = 436138096 and 436138105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (436138139) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3894035 + ... + 3894146.

It is an arithmetic number, because the mean of its divisors is an integer number (58411365).

Almost surely, 2^436138136 is an apocalyptic number.

It is an amenable number.

436138136 is an abundant number, since it is smaller than the sum of its proper divisors (498443704).

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

436138136 is a wasteful number, since it uses less digits than its factorization.

436138136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7788194 (or 7788190 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 436138136 is about 20883.9205131604. The cubic root of 436138136 is about 758.3587249505.

The spelling of 436138136 in words is "four hundred thirty-six million, one hundred thirty-eight thousand, one hundred thirty-six".