133203551000 has 512 divisors, whose sum is σ = 369885035520. Its totient is φ = 44448768000.

The previous prime is 133203550999. The next prime is 133203551077. The reversal of 133203551000 is 155302331.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1016820935 + ... + 1016821065.

It is an arithmetic number, because the mean of its divisors is an integer number (722431710).

Almost surely, 2^133203551000 is an apocalyptic number.

133203551000 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 133203551000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184942517760).

133203551000 is an abundant number, since it is smaller than the sum of its proper divisors (236681484520).

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

133203551000 is a wasteful number, since it uses less digits than its factorization.

133203551000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 23.

Adding to 133203551000 its reverse (155302331), we get a palindrome (133358853331).

The spelling of 133203551000 in words is "one hundred thirty-three billion, two hundred three million, five hundred fifty-one thousand".