133024451520 has 112 divisors (see below), whose sum is σ = 422563076640. Its totient is φ = 35455512576.

The previous prime is 133024451459. The next prime is 133024451557. The reversal of 133024451520 is 25154420331.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 1952754 + ... + 2019726.

Almost surely, 2^133024451520 is an apocalyptic number.

133024451520 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 133024451520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211281538320).

133024451520 is an abundant number, since it is smaller than the sum of its proper divisors (289538625120).

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

133024451520 is a wasteful number, since it uses less digits than its factorization.

133024451520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69062 (or 69052 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 133024451520 its reverse (25154420331), we get a palindrome (158178871851).

The spelling of 133024451520 in words is "one hundred thirty-three billion, twenty-four million, four hundred fifty-one thousand, five hundred twenty".