133228753 has 8 divisors (see below), whose sum is σ = 152598272. Its totient is φ = 113943456.

The previous prime is 133228751. The next prime is 133228757. The reversal of 133228753 is 357822331.

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 133228753 - 2¹ = 133228751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133228751) 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, 17625 + ... + 24022.

It is an arithmetic number, because the mean of its divisors is an integer number (19074784).

Almost surely, 2^133228753 is an apocalyptic number.

It is an amenable number.

133228753 is a deficient number, since it is larger than the sum of its proper divisors (19369519).

133228753 is an equidigital number, since it uses as much as digits as its factorization.

133228753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42111.

The product of its digits is 30240, while the sum is 34.

The square root of 133228753 is about 11542.4760341965. The cubic root of 133228753 is about 510.7393518325.

The spelling of 133228753 in words is "one hundred thirty-three million, two hundred twenty-eight thousand, seven hundred fifty-three".