133023011531500 has 48 divisors (see below), whose sum is σ = 290918604858336. Its totient is φ = 53136613464000.

The previous prime is 133023011531491. The next prime is 133023011531519. The reversal of 133023011531500 is 5135110320331.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181111006 + ... + 181844005.

It is an arithmetic number, because the mean of its divisors is an integer number (6060804267882).

Almost surely, 2^{133023011531500} is an apocalyptic number.

133023011531500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133023011531500 is an abundant number, since it is smaller than the sum of its proper divisors (157895593326836).

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

133023011531500 is a wasteful number, since it uses less digits than its factorization.

133023011531500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362955763 (or 362955751 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

Adding to 133023011531500 its reverse (5135110320331), we get a palindrome (138158121851831).

The spelling of 133023011531500 in words is "one hundred thirty-three trillion, twenty-three billion, eleven million, five hundred thirty-one thousand, five hundred".