133875560 has 64 divisors (see below), whose sum is σ = 370742400. Its totient is φ = 42368256.

The previous prime is 133875559. The next prime is 133875563. The reversal of 133875560 is 65578331.

It is not an unprimeable number, because it can be changed into a prime (133875563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14750 + ... + 22029.

It is an arithmetic number, because the mean of its divisors is an integer number (5792850).

Almost surely, 2^133875560 is an apocalyptic number.

133875560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133875560 is an abundant number, since it is smaller than the sum of its proper divisors (236866840).

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

133875560 is a wasteful number, since it uses less digits than its factorization.

133875560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36810 (or 36806 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 133875560 is about 11570.4606649865. The cubic root of 133875560 is about 511.5645406326.

The spelling of 133875560 in words is "one hundred thirty-three million, eight hundred seventy-five thousand, five hundred sixty".