133272744 has 32 divisors (see below), whose sum is σ = 363471840. Its totient is φ = 40385600.

The previous prime is 133272743. The next prime is 133272749. The reversal of 133272744 is 447272331.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (133272743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252147 + ... + 252674.

It is an arithmetic number, because the mean of its divisors is an integer number (11358495).

Almost surely, 2^133272744 is an apocalyptic number.

It is an amenable number.

133272744 is an abundant number, since it is smaller than the sum of its proper divisors (230199096).

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

133272744 is a wasteful number, since it uses less digits than its factorization.

133272744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504841 (or 504837 counting only the distinct ones).

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

The square root of 133272744 is about 11544.3814905780. The cubic root of 133272744 is about 510.7955595751.

The spelling of 133272744 in words is "one hundred thirty-three million, two hundred seventy-two thousand, seven hundred forty-four".