133928875 has 16 divisors (see below), whose sum is σ = 171037152. Its totient is φ = 104647200.

The previous prime is 133928867. The next prime is 133928887. The reversal of 133928875 is 578829331.

It is not a de Polignac number, because 133928875 - 2³ = 133928867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7084 + ... + 17833.

It is an arithmetic number, because the mean of its divisors is an integer number (10689822).

Almost surely, 2^133928875 is an apocalyptic number.

133928875 is a deficient number, since it is larger than the sum of its proper divisors (37108277).

133928875 is an equidigital number, since it uses as much as digits as its factorization.

133928875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24975 (or 24965 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The square root of 133928875 is about 11572.7643629342. The cubic root of 133928875 is about 511.6324406131.

The spelling of 133928875 in words is "one hundred thirty-three million, nine hundred twenty-eight thousand, eight hundred seventy-five".