133219753 has 4 divisors (see below), whose sum is σ = 133243648. Its totient is φ = 133195860.

The previous prime is 133219747. The next prime is 133219763. The reversal of 133219753 is 357912331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133219753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133219763) 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, 1348 + ... + 16378.

It is an arithmetic number, because the mean of its divisors is an integer number (33310912).

Almost surely, 2^133219753 is an apocalyptic number.

It is an amenable number.

133219753 is a deficient number, since it is larger than the sum of its proper divisors (23895).

133219753 is an equidigital number, since it uses as much as digits as its factorization.

133219753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23894.

The product of its digits is 17010, while the sum is 34.

The square root of 133219753 is about 11542.0861632549. The cubic root of 133219753 is about 510.7278509175.

The spelling of 133219753 in words is "one hundred thirty-three million, two hundred nineteen thousand, seven hundred fifty-three".