133515203 has 8 divisors (see below), whose sum is σ = 140043072. Its totient is φ = 127141056.

The previous prime is 133515163. The next prime is 133515241. The reversal of 133515203 is 302515331.

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

It is a cyclic number.

It is not a de Polignac number, because 133515203 - 2¹² = 133511107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133515703) 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 7 ways as a sum of consecutive naturals, for example, 36650 + ... + 40127.

It is an arithmetic number, because the mean of its divisors is an integer number (17505384).

Almost surely, 2^133515203 is an apocalyptic number.

133515203 is a deficient number, since it is larger than the sum of its proper divisors (6527869).

133515203 is an equidigital number, since it uses as much as digits as its factorization.

133515203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76861.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 133515203 is about 11554.8778877148. The cubic root of 133515203 is about 511.1051301320.

The spelling of 133515203 in words is "one hundred thirty-three million, five hundred fifteen thousand, two hundred three".