133171474 has 16 divisors (see below), whose sum is σ = 207357696. Its totient is φ = 64076400.

The previous prime is 133171469. The next prime is 133171483. The reversal of 133171474 is 474171331.

133171474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5289 + ... + 17155.

It is an arithmetic number, because the mean of its divisors is an integer number (12959856).

Almost surely, 2^133171474 is an apocalyptic number.

133171474 is a deficient number, since it is larger than the sum of its proper divisors (74186222).

133171474 is a wasteful number, since it uses less digits than its factorization.

133171474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12081.

The product of its digits is 7056, while the sum is 31.

The square root of 133171474 is about 11539.9945407266. The cubic root of 133171474 is about 510.6661473323. Note that the first 3 decimals are identical.

The spelling of 133171474 in words is "one hundred thirty-three million, one hundred seventy-one thousand, four hundred seventy-four".