133044000000 has 252 divisors, whose sum is σ = 442648084032. Its totient is φ = 35475200000.

The previous prime is 133043999989. The next prime is 133044000071. The reversal of 133044000000 is 440331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 11994457 + ... + 12005543.

It is an arithmetic number, because the mean of its divisors is an integer number (1756540016).

Almost surely, 2^133044000000 is an apocalyptic number.

133044000000 is a gapful number since it is divisible by the number (10) 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 133044000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221324042016).

133044000000 is an abundant number, since it is smaller than the sum of its proper divisors (309604084032).

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

133044000000 is an frugal number, since it uses more digits than its factorization.

133044000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11136 (or 11097 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 133044000000 its reverse (440331), we get a palindrome (133044440331).

The spelling of 133044000000 in words is "one hundred thirty-three billion, forty-four million", and thus it is an aban number.