133111442000 has 80 divisors (see below), whose sum is σ = 335857646592. Its totient is φ = 50929577600.

The previous prime is 133111441951. The next prime is 133111442089. The reversal of 133111442000 is 244111331.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1400864 + ... + 1492863.

Almost surely, 2^133111442000 is an apocalyptic number.

133111442000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133111442000 is an abundant number, since it is smaller than the sum of its proper divisors (202746204592).

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

133111442000 is a wasteful number, since it uses less digits than its factorization.

133111442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2893773 (or 2893757 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 133111442000 its reverse (244111331), we get a palindrome (133355553331).

The spelling of 133111442000 in words is "one hundred thirty-three billion, one hundred eleven million, four hundred forty-two thousand".