133155453320520 has 128 divisors (see below), whose sum is σ = 414849006691200. Its totient is φ = 34150303072256.

The previous prime is 133155453320431. The next prime is 133155453320543. The reversal of 133155453320520 is 25023354551331.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73547394 + ... + 75336113.

It is an arithmetic number, because the mean of its divisors is an integer number (3241007864775).

Almost surely, 2^{133155453320520} is an apocalyptic number.

133155453320520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133155453320520 is an abundant number, since it is smaller than the sum of its proper divisors (281693553370680).

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

133155453320520 is a wasteful number, since it uses less digits than its factorization.

133155453320520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148883807 (or 148883803 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 133155453320520 in words is "one hundred thirty-three trillion, one hundred fifty-five billion, four hundred fifty-three million, three hundred twenty thousand, five hundred twenty".