133216015 has 8 divisors (see below), whose sum is σ = 161118720. Its totient is φ = 105733152.

The previous prime is 133216003. The next prime is 133216073. The reversal of 133216015 is 510612331.

It is a happy number.

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 133216015 - 2¹⁵ = 133183247 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 104260 + ... + 105529.

It is an arithmetic number, because the mean of its divisors is an integer number (20139840).

Almost surely, 2^133216015 is an apocalyptic number.

133216015 is a deficient number, since it is larger than the sum of its proper divisors (27902705).

133216015 is a wasteful number, since it uses less digits than its factorization.

133216015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209921.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 133216015 is about 11541.9242329865. The cubic root of 133216015 is about 510.7230740520.

Adding to 133216015 its reverse (510612331), we get a palindrome (643828346).

The spelling of 133216015 in words is "one hundred thirty-three million, two hundred sixteen thousand, fifteen".