133435100000 has 144 divisors (see below), whose sum is σ = 345641158800. Its totient is φ = 50564160000.

The previous prime is 133435099991. The next prime is 133435100003. The reversal of 133435100000 is 1534331.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133435100003) 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, 1864886 + ... + 1935114.

It is an arithmetic number, because the mean of its divisors is an integer number (2400285825).

Almost surely, 2^133435100000 is an apocalyptic number.

133435100000 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 133435100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172820579400).

133435100000 is an abundant number, since it is smaller than the sum of its proper divisors (212206058800).

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

133435100000 is an frugal number, since it uses more digits than its factorization.

133435100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70283 (or 70255 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 133435100000 its reverse (1534331), we get a palindrome (133436634331).

The spelling of 133435100000 in words is "one hundred thirty-three billion, four hundred thirty-five million, one hundred thousand".