133443313000 has 64 divisors (see below), whose sum is σ = 322330245120. Its totient is φ = 51655464000.

The previous prime is 133443312983. The next prime is 133443313001. The reversal of 133443313000 is 313344331.

It is a happy number.

It is a super-4 number, since 4×133443313000⁴ (a number of 46 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (133443313001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2121312 + ... + 2183311.

It is an arithmetic number, because the mean of its divisors is an integer number (5036410080).

Almost surely, 2^133443313000 is an apocalyptic number.

133443313000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133443313000 is an abundant number, since it is smaller than the sum of its proper divisors (188886932120).

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

133443313000 is a wasteful number, since it uses less digits than its factorization.

133443313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304675 (or 4304661 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 133443313000 its reverse (313344331), we get a palindrome (133756657331).

The spelling of 133443313000 in words is "one hundred thirty-three billion, four hundred forty-three million, three hundred thirteen thousand".