133532315 has 8 divisors (see below), whose sum is σ = 183130080. Its totient is φ = 91564992.

The previous prime is 133532291. The next prime is 133532341. The reversal of 133532315 is 513235331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-133532315 is a prime.

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, 1907570 + ... + 1907639.

It is an arithmetic number, because the mean of its divisors is an integer number (22891260).

Almost surely, 2^133532315 is an apocalyptic number.

133532315 is a deficient number, since it is larger than the sum of its proper divisors (49597765).

133532315 is an equidigital number, since it uses as much as digits as its factorization.

133532315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3815221.

The product of its digits is 4050, while the sum is 26.

The square root of 133532315 is about 11555.6183304919. The cubic root of 133532315 is about 511.1269644929.

Adding to 133532315 its reverse (513235331), we get a palindrome (646767646).

The spelling of 133532315 in words is "one hundred thirty-three million, five hundred thirty-two thousand, three hundred fifteen".