133433000000 has 392 divisors, whose sum is σ = 360040391424. Its totient is φ = 48870400000.

The previous prime is 133432999991. The next prime is 133433000011. The reversal of 133433000000 is 334331.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 798999917 + ... + 799000083.

Almost surely, 2^133433000000 is an apocalyptic number.

133433000000 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 133433000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180020195712).

133433000000 is an abundant number, since it is smaller than the sum of its proper divisors (226607391424).

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

133433000000 is an frugal number, since it uses more digits than its factorization.

133433000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 133433000000 its reverse (334331), we get a palindrome (133433334331).

The spelling of 133433000000 in words is "one hundred thirty-three billion, four hundred thirty-three million", and thus it is an aban number.