133105040544 has 48 divisors (see below), whose sum is σ = 399315123648. Its totient is φ = 38030011392.

The previous prime is 133105040489. The next prime is 133105040603. The reversal of 133105040544 is 445040501331.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 99035817 + ... + 99037160.

It is an arithmetic number, because the mean of its divisors is an integer number (8319065076).

Almost surely, 2^133105040544 is an apocalyptic number.

133105040544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

133105040544 is an abundant number, since it is smaller than the sum of its proper divisors (266210083104).

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

133105040544 is a wasteful number, since it uses less digits than its factorization.

133105040544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198072997 (or 198072989 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 133105040544 its reverse (445040501331), we get a palindrome (578145541875).

The spelling of 133105040544 in words is "one hundred thirty-three billion, one hundred five million, forty thousand, five hundred forty-four".