133272757 has 4 divisors (see below), whose sum is σ = 133295980. Its totient is φ = 133249536.

The previous prime is 133272749. The next prime is 133272767. The reversal of 133272757 is 757272331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 18054001 + 115218756 = 4249^2 + 10734^2 .

It is a cyclic number.

It is not a de Polignac number, because 133272757 - 2³ = 133272749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133272767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3943 + ... + 16795.

It is an arithmetic number, because the mean of its divisors is an integer number (33323995).

Almost surely, 2^133272757 is an apocalyptic number.

It is an amenable number.

133272757 is a deficient number, since it is larger than the sum of its proper divisors (23223).

133272757 is a wasteful number, since it uses less digits than its factorization.

133272757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23222.

The product of its digits is 61740, while the sum is 37.

The square root of 133272757 is about 11544.3820536224. The cubic root of 133272757 is about 510.7955761835.

The spelling of 133272757 in words is "one hundred thirty-three million, two hundred seventy-two thousand, seven hundred fifty-seven".