133304315 has 4 divisors (see below), whose sum is σ = 159965184. Its totient is φ = 106643448.

The previous prime is 133304291. The next prime is 133304317. The reversal of 133304315 is 513403331.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133304315 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133304317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13330427 + ... + 13330436.

It is an arithmetic number, because the mean of its divisors is an integer number (39991296).

Almost surely, 2^133304315 is an apocalyptic number.

133304315 is a deficient number, since it is larger than the sum of its proper divisors (26660869).

133304315 is an equidigital number, since it uses as much as digits as its factorization.

133304315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26660868.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 133304315 is about 11545.7487847259. The cubic root of 133304315 is about 510.8358905358.

Adding to 133304315 its reverse (513403331), we get a palindrome (646707646).

The spelling of 133304315 in words is "one hundred thirty-three million, three hundred four thousand, three hundred fifteen".