133045478 has 16 divisors (see below), whose sum is σ = 208707840. Its totient is φ = 63489096.

The previous prime is 133045463. The next prime is 133045481. The reversal of 133045478 is 874540331.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19433 + ... + 25371.

It is an arithmetic number, because the mean of its divisors is an integer number (13044240).

Almost surely, 2^133045478 is an apocalyptic number.

133045478 is a deficient number, since it is larger than the sum of its proper divisors (75662362).

133045478 is a wasteful number, since it uses less digits than its factorization.

133045478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 133045478 is about 11534.5341475068. The cubic root of 133045478 is about 510.5050462789.

The spelling of 133045478 in words is "one hundred thirty-three million, forty-five thousand, four hundred seventy-eight".