133520043000 has 64 divisors (see below), whose sum is σ = 416582543520. Its totient is φ = 35605344000.

The previous prime is 133520042993. The next prime is 133520043001. The reversal of 133520043000 is 340025331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133520043001) 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, 22250341 + ... + 22256340.

Almost surely, 2^133520043000 is an apocalyptic number.

133520043000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133520043000 is an abundant number, since it is smaller than the sum of its proper divisors (283062500520).

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

133520043000 is a wasteful number, since it uses less digits than its factorization.

133520043000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44506705 (or 44506691 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 133520043000 its reverse (340025331), we get a palindrome (133860068331).

The spelling of 133520043000 in words is "one hundred thirty-three billion, five hundred twenty million, forty-three thousand".