133044101009 has 4 divisors (see below), whose sum is σ = 137631828660. Its totient is φ = 128456373360.

The previous prime is 133044100939. The next prime is 133044101011. The reversal of 133044101009 is 900101440331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23095488784 + 109948612225 = 151972^2 + 331585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133044101009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133044101089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2293863782 + ... + 2293863839.

It is an arithmetic number, because the mean of its divisors is an integer number (34407957165).

Almost surely, 2^133044101009 is an apocalyptic number.

It is an amenable number.

133044101009 is a deficient number, since it is larger than the sum of its proper divisors (4587727651).

133044101009 is an equidigital number, since it uses as much as digits as its factorization.

133044101009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587727650.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 133044101009 in words is "one hundred thirty-three billion, forty-four million, one hundred one thousand, nine".