133307645525 has 24 divisors (see below), whose sum is σ = 166333353984. Its totient is φ = 105980964800.

The previous prime is 133307645509. The next prime is 133307645531. The reversal of 133307645525 is 525546703331.

It is a happy number.

It is not a de Polignac number, because 133307645525 - 2⁴ = 133307645509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 11615540 + ... + 11627010.

It is an arithmetic number, because the mean of its divisors is an integer number (6930556416).

Almost surely, 2^133307645525 is an apocalyptic number.

It is an amenable number.

133307645525 is a deficient number, since it is larger than the sum of its proper divisors (33025708459).

133307645525 is a wasteful number, since it uses less digits than its factorization.

133307645525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14341 (or 14336 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 44.

The spelling of 133307645525 in words is "one hundred thirty-three billion, three hundred seven million, six hundred forty-five thousand, five hundred twenty-five".