133500471 has 16 divisors (see below), whose sum is σ = 191965536. Its totient is φ = 82037376.

The previous prime is 133500407. The next prime is 133500491. The reversal of 133500471 is 174005331.

It is not a de Polignac number, because 133500471 - 2⁶ = 133500407 is a prime.

It is a super-3 number, since 3×133500471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133500401) 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, 31261 + ... + 35273.

It is an arithmetic number, because the mean of its divisors is an integer number (11997846).

Almost surely, 2^133500471 is an apocalyptic number.

133500471 is a deficient number, since it is larger than the sum of its proper divisors (58465065).

133500471 is a wasteful number, since it uses less digits than its factorization.

133500471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 133500471 is about 11554.2403904368. The cubic root of 133500471 is about 511.0863310800.

The spelling of 133500471 in words is "one hundred thirty-three million, five hundred thousand, four hundred seventy-one".