133011500444 has 24 divisors (see below), whose sum is σ = 238380117360. Its totient is φ = 64905450624.

The previous prime is 133011500443. The next prime is 133011500483. The reversal of 133011500444 is 444005110331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133011500443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110129 + ... + 527400.

It is an arithmetic number, because the mean of its divisors is an integer number (9932504890).

Almost surely, 2^133011500444 is an apocalyptic number.

It is an amenable number.

133011500444 is a deficient number, since it is larger than the sum of its proper divisors (105368616916).

133011500444 is a wasteful number, since it uses less digits than its factorization.

133011500444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638789 (or 638787 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 133011500444 its reverse (444005110331), we get a palindrome (577016610775).

The spelling of 133011500444 in words is "one hundred thirty-three billion, eleven million, five hundred thousand, four hundred forty-four".