133003011100 has 72 divisors (see below), whose sum is σ = 294903499968. Its totient is φ = 52043443200.

The previous prime is 133003011079. The next prime is 133003011107. The reversal of 133003011100 is 1110300331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133003011107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11466904 + ... + 11478496.

It is an arithmetic number, because the mean of its divisors is an integer number (4095881944).

Almost surely, 2^133003011100 is an apocalyptic number.

133003011100 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 133003011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147451749984).

133003011100 is an abundant number, since it is smaller than the sum of its proper divisors (161900488868).

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

133003011100 is a wasteful number, since it uses less digits than its factorization.

133003011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14095 (or 14088 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 13.

Adding to 133003011100 its reverse (1110300331), we get a palindrome (134113311431).

The spelling of 133003011100 in words is "one hundred thirty-three billion, three million, eleven thousand, one hundred".