201130134444 has 36 divisors (see below), whose sum is σ = 511252592760. Its totient is φ = 66668832000.

The previous prime is 201130134421. The next prime is 201130134449. The reversal of 201130134444 is 444431031102.

201130134444 is a `hidden beast` number, since 2 + 0 + 11 + 301 + 344 + 4 + 4 = 666.

201130134444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (201130134449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15599557 + ... + 15612444.

It is an arithmetic number, because the mean of its divisors is an integer number (14201460910).

Almost surely, 2^201130134444 is an apocalyptic number.

It is an amenable number.

201130134444 is an abundant number, since it is smaller than the sum of its proper divisors (310122458316).

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

201130134444 is a wasteful number, since it uses less digits than its factorization.

201130134444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31212190 (or 31212185 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 201130134444 its reverse (444431031102), we get a palindrome (645561165546).

The spelling of 201130134444 in words is "two hundred one billion, one hundred thirty million, one hundred thirty-four thousand, four hundred forty-four".