133552273 has 8 divisors (see below), whose sum is σ = 141657120. Its totient is φ = 125555040.

The previous prime is 133552261. The next prime is 133552291. The reversal of 133552273 is 372255331.

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

It is not a de Polignac number, because 133552273 - 2¹⁷ = 133421201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133552073) 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, 24340 + ... + 29317.

It is an arithmetic number, because the mean of its divisors is an integer number (17707140).

Almost surely, 2^133552273 is an apocalyptic number.

It is an amenable number.

133552273 is a deficient number, since it is larger than the sum of its proper divisors (8104847).

133552273 is a wasteful number, since it uses less digits than its factorization.

133552273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53807.

The product of its digits is 18900, while the sum is 31.

The square root of 133552273 is about 11556.4818608433. The cubic root of 133552273 is about 511.1524279017.

The spelling of 133552273 in words is "one hundred thirty-three million, five hundred fifty-two thousand, two hundred seventy-three".