133454478 has 16 divisors (see below), whose sum is σ = 268057296. Its totient is φ = 44293440.

The previous prime is 133454417. The next prime is 133454483. The reversal of 133454478 is 874454331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46333 + ... + 49128.

It is an arithmetic number, because the mean of its divisors is an integer number (16753581).

Almost surely, 2^133454478 is an apocalyptic number.

133454478 is an abundant number, since it is smaller than the sum of its proper divisors (134602818).

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

133454478 is a wasteful number, since it uses less digits than its factorization.

133454478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95699.

The product of its digits is 161280, while the sum is 39.

The square root of 133454478 is about 11552.2499107317. The cubic root of 133454478 is about 511.0276319273.

The spelling of 133454478 in words is "one hundred thirty-three million, four hundred fifty-four thousand, four hundred seventy-eight".