133474 has 8 divisors (see below), whose sum is σ = 218448. Its totient is φ = 60660.

The previous prime is 133451. The next prime is 133481. The reversal of 133474 is 474331.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 6067 = 133474 / (1 + 3 + 3 + 4 + 7 + 4).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3012 + ... + 3055.

It is an arithmetic number, because the mean of its divisors is an integer number (27306).

2¹³³⁴⁷⁴ is an apocalyptic number.

133474 is a deficient number, since it is larger than the sum of its proper divisors (84974).

133474 is a wasteful number, since it uses less digits than its factorization.

133474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080.

The product of its digits is 1008, while the sum is 22.

The square root of 133474 is about 365.3409366605. The cubic root of 133474 is about 51.1052548776.

The spelling of 133474 in words is "one hundred thirty-three thousand, four hundred seventy-four".