133521125330 has 32 divisors (see below), whose sum is σ = 244797033600. Its totient is φ = 52424189440.

The previous prime is 133521125323. The next prime is 133521125347. The reversal of 133521125330 is 33521125331.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 133521125293 and 133521125302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253055 + ... + 575394.

It is an arithmetic number, because the mean of its divisors is an integer number (7649907300).

Almost surely, 2^133521125330 is an apocalyptic number.

133521125330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133521125330 is a deficient number, since it is larger than the sum of its proper divisors (111275908270).

133521125330 is a wasteful number, since it uses less digits than its factorization.

133521125330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828754.

The product of its (nonzero) digits is 8100, while the sum is 29.

Subtracting from 133521125330 its reverse (33521125331), we obtain a palindrome (99999999999).

The spelling of 133521125330 in words is "one hundred thirty-three billion, five hundred twenty-one million, one hundred twenty-five thousand, three hundred thirty".