133172753 has 8 divisors (see below), whose sum is σ = 154031808. Its totient is φ = 112772304.

The previous prime is 133172723. The next prime is 133172759. The reversal of 133172753 is 357271331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133172753 - 2¹⁰ = 133171729 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133172759) 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, 114026 + ... + 115187.

It is an arithmetic number, because the mean of its divisors is an integer number (19253976).

Almost surely, 2^133172753 is an apocalyptic number.

It is an amenable number.

133172753 is a deficient number, since it is larger than the sum of its proper divisors (20859055).

133172753 is an equidigital number, since it uses as much as digits as its factorization.

133172753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229303.

The product of its digits is 13230, while the sum is 32.

The square root of 133172753 is about 11540.0499565643. The cubic root of 133172753 is about 510.6677821667.

The spelling of 133172753 in words is "one hundred thirty-three million, one hundred seventy-two thousand, seven hundred fifty-three".