133432315 has 24 divisors (see below), whose sum is σ = 170332848. Its totient is φ = 100309440.

The previous prime is 133432291. The next prime is 133432333. The reversal of 133432315 is 513234331.

It is not a de Polignac number, because 133432315 - 2⁵ = 133432283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133432315.

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 23 ways as a sum of consecutive naturals, for example, 160932 + ... + 161758.

It is an arithmetic number, because the mean of its divisors is an integer number (7097202).

Almost surely, 2^133432315 is an apocalyptic number.

133432315 is a deficient number, since it is larger than the sum of its proper divisors (36900533).

133432315 is an equidigital number, since it uses as much as digits as its factorization.

133432315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939 (or 916 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 133432315 is about 11551.2906205324. The cubic root of 133432315 is about 510.9993413007. Note that the first 3 decimals are identical.

Adding to 133432315 its reverse (513234331), we get a palindrome (646666646).

The spelling of 133432315 in words is "one hundred thirty-three million, four hundred thirty-two thousand, three hundred fifteen".