133545525405 has 16 divisors (see below), whose sum is σ = 213677918784. Its totient is φ = 71222587520.

The previous prime is 133545525401. The next prime is 133545525419. The reversal of 133545525405 is 504525545331.

It is not a de Polignac number, because 133545525405 - 2² = 133545525401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133545525401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792385 + ... + 946025.

It is an arithmetic number, because the mean of its divisors is an integer number (13354869924).

Almost surely, 2^133545525405 is an apocalyptic number.

133545525405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133545525405 is a deficient number, since it is larger than the sum of its proper divisors (80132393379).

133545525405 is a wasteful number, since it uses less digits than its factorization.

133545525405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211596.

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 133545525405 in words is "one hundred thirty-three billion, five hundred forty-five million, five hundred twenty-five thousand, four hundred five".