133775229 has 8 divisors (see below), whose sum is σ = 203848000. Its totient is φ = 76442976.

The previous prime is 133775209. The next prime is 133775237. The reversal of 133775229 is 922577331.

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

It is not a de Polignac number, because 133775229 - 2¹¹ = 133773181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133775209) 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, 3185104 + ... + 3185145.

It is an arithmetic number, because the mean of its divisors is an integer number (25481000).

Almost surely, 2^133775229 is an apocalyptic number.

It is an amenable number.

133775229 is a deficient number, since it is larger than the sum of its proper divisors (70072771).

133775229 is an equidigital number, since it uses as much as digits as its factorization.

133775229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370259.

The product of its digits is 79380, while the sum is 39.

The square root of 133775229 is about 11566.1241995752. The cubic root of 133775229 is about 511.4367139428.

The spelling of 133775229 in words is "one hundred thirty-three million, seven hundred seventy-five thousand, two hundred twenty-nine".