133875880566 has 16 divisors (see below), whose sum is σ = 283501864944. Its totient is φ = 42000276224.

The previous prime is 133875880561. The next prime is 133875880571. The reversal of 133875880566 is 665088578331.

It is an interprime number because it is at equal distance from previous prime (133875880561) and next prime (133875880571).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133875880561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656254215 + ... + 656254418.

It is an arithmetic number, because the mean of its divisors is an integer number (17718866559).

Almost surely, 2^133875880566 is an apocalyptic number.

133875880566 is an abundant number, since it is smaller than the sum of its proper divisors (149625984378).

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

133875880566 is a wasteful number, since it uses less digits than its factorization.

133875880566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312508655.

The product of its (nonzero) digits is 29030400, while the sum is 60.

The spelling of 133875880566 in words is "one hundred thirty-three billion, eight hundred seventy-five million, eight hundred eighty thousand, five hundred sixty-six".