133152757 has 4 divisors (see below), whose sum is σ = 133233100. Its totient is φ = 133072416.

The previous prime is 133152749. The next prime is 133152787. The reversal of 133152757 is 757251331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 757251331 = 6211 ⋅121921.

It can be written as a sum of positive squares in 2 ways, for example, as 41873841 + 91278916 = 6471^2 + 9554^2 .

It is a cyclic number.

It is not a de Polignac number, because 133152757 - 2³ = 133152749 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 (133152787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37632 + ... + 41017.

It is an arithmetic number, because the mean of its divisors is an integer number (33308275).

Almost surely, 2^133152757 is an apocalyptic number.

It is an amenable number.

133152757 is a deficient number, since it is larger than the sum of its proper divisors (80343).

133152757 is an equidigital number, since it uses as much as digits as its factorization.

133152757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80342.

The product of its digits is 22050, while the sum is 34.

The square root of 133152757 is about 11539.1835499744. The cubic root of 133152757 is about 510.6422218228.

The spelling of 133152757 in words is "one hundred thirty-three million, one hundred fifty-two thousand, seven hundred fifty-seven".