133474272 has 24 divisors (see below), whose sum is σ = 350370216. Its totient is φ = 44491392.

The previous prime is 133474247. The next prime is 133474331. The reversal of 133474272 is 272474331.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 695083 + ... + 695274.

It is an arithmetic number, because the mean of its divisors is an integer number (14598759).

Almost surely, 2^133474272 is an apocalyptic number.

133474272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133474272 is an abundant number, since it is smaller than the sum of its proper divisors (216895944).

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

133474272 is a wasteful number, since it uses less digits than its factorization.

133474272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390370 (or 1390362 counting only the distinct ones).

The product of its digits is 28224, while the sum is 33.

The square root of 133474272 is about 11553.1065951977. The cubic root of 133474272 is about 511.0528959251.

The spelling of 133474272 in words is "one hundred thirty-three million, four hundred seventy-four thousand, two hundred seventy-two".