133023242044 has 96 divisors (see below), whose sum is σ = 302345809920. Its totient is φ = 49694860800.

The previous prime is 133023242003. The next prime is 133023242057. The reversal of 133023242044 is 440242320331.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 976824 + ... + 1104640.

It is an arithmetic number, because the mean of its divisors is an integer number (3149435520).

Almost surely, 2^133023242044 is an apocalyptic number.

133023242044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133023242044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151172904960).

133023242044 is an abundant number, since it is smaller than the sum of its proper divisors (169322567876).

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

133023242044 is a wasteful number, since it uses less digits than its factorization.

133023242044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127979 (or 127977 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 133023242044 its reverse (440242320331), we get a palindrome (573265562375).

The spelling of 133023242044 in words is "one hundred thirty-three billion, twenty-three million, two hundred forty-two thousand, forty-four".