133103225520 has 60 divisors (see below), whose sum is σ = 447005001456. Its totient is φ = 35494193280.

The previous prime is 133103225471. The next prime is 133103225533. The reversal of 133103225520 is 25522301331.

It is a happy number.

133103225520 is a `hidden beast` number, since 1 + 3 + 3 + 103 + 2 + 2 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92432076 + ... + 92433515.

Almost surely, 2^133103225520 is an apocalyptic number.

133103225520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133103225520 is an abundant number, since it is smaller than the sum of its proper divisors (313901775936).

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

133103225520 is a wasteful number, since it uses less digits than its factorization.

133103225520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184865610 (or 184865601 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 133103225520 its reverse (25522301331), we get a palindrome (158625526851).

The spelling of 133103225520 in words is "one hundred thirty-three billion, one hundred three million, two hundred twenty-five thousand, five hundred twenty".