133729203 has 4 divisors (see below), whose sum is σ = 178305608. Its totient is φ = 89152800.

The previous prime is 133729177. The next prime is 133729207. The reversal of 133729203 is 302927331.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133729203 - 2⁵ = 133729171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133729207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22288198 + ... + 22288203.

It is an arithmetic number, because the mean of its divisors is an integer number (44576402).

Almost surely, 2^133729203 is an apocalyptic number.

133729203 is a deficient number, since it is larger than the sum of its proper divisors (44576405).

133729203 is an equidigital number, since it uses as much as digits as its factorization.

133729203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44576404.

The product of its (nonzero) digits is 6804, while the sum is 30.

The square root of 133729203 is about 11564.1343385486. The cubic root of 133729203 is about 511.3780531416.

The spelling of 133729203 in words is "one hundred thirty-three million, seven hundred twenty-nine thousand, two hundred three".