201146436 has 48 divisors (see below), whose sum is σ = 539481600. Its totient is φ = 64735776.

The previous prime is 201146419. The next prime is 201146437. The reversal of 201146436 is 634641102.

201146436 is a `hidden beast` number, since 2 + 0 + 1 + 14 + 643 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (201146437) 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 15 ways as a sum of consecutive naturals, for example, 28980 + ... + 35243.

It is an arithmetic number, because the mean of its divisors is an integer number (11239200).

Almost surely, 2^201146436 is an apocalyptic number.

It is an amenable number.

201146436 is an abundant number, since it is smaller than the sum of its proper divisors (338335164).

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

201146436 is a wasteful number, since it uses less digits than its factorization.

201146436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64265 (or 64257 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 201146436 is about 14182.6103380161. The cubic root of 201146436 is about 585.9188191036.

Adding to 201146436 its reverse (634641102), we get a palindrome (835787538).

The spelling of 201146436 in words is "two hundred one million, one hundred forty-six thousand, four hundred thirty-six".