133572193 has 4 divisors (see below), whose sum is σ = 133612740. Its totient is φ = 133531648.

The previous prime is 133572191. The next prime is 133572199. The reversal of 133572193 is 391275331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391275331 = 10093 ⋅38767.

It can be written as a sum of positive squares in 2 ways, for example, as 36096064 + 97476129 = 6008^2 + 9873^2 .

It is a cyclic number.

It is not a de Polignac number, because 133572193 - 2¹ = 133572191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133572191) 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, 14848 + ... + 22081.

It is an arithmetic number, because the mean of its divisors is an integer number (33403185).

Almost surely, 2^133572193 is an apocalyptic number.

It is an amenable number.

133572193 is a deficient number, since it is larger than the sum of its proper divisors (40547).

133572193 is an equidigital number, since it uses as much as digits as its factorization.

133572193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40546.

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

The square root of 133572193 is about 11557.3436826980. The cubic root of 133572193 is about 511.1778402987.

The spelling of 133572193 in words is "one hundred thirty-three million, five hundred seventy-two thousand, one hundred ninety-three".