133474668 has 12 divisors (see below), whose sum is σ = 311440920. Its totient is φ = 44491552.

The previous prime is 133474657. The next prime is 133474729. The reversal of 133474668 is 866474331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5561433 + ... + 5561456.

It is an arithmetic number, because the mean of its divisors is an integer number (25953410).

Almost surely, 2^133474668 is an apocalyptic number.

It is an amenable number.

133474668 is an abundant number, since it is smaller than the sum of its proper divisors (177966252).

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

133474668 is a wasteful number, since it uses less digits than its factorization.

133474668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11122896 (or 11122894 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 133474668 is about 11553.1237334324. The cubic root of 133474668 is about 511.0534013327.

The spelling of 133474668 in words is "one hundred thirty-three million, four hundred seventy-four thousand, six hundred sixty-eight".