133032505 has 4 divisors (see below), whose sum is σ = 159639012. Its totient is φ = 106426000.

The previous prime is 133032481. The next prime is 133032533. The reversal of 133032505 is 505230331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505230331 = 41 ⋅12322691.

It can be written as a sum of positive squares in 2 ways, for example, as 93644329 + 39388176 = 9677^2 + 6276^2 .

It is not a de Polignac number, because 133032505 - 2¹³ = 133024313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13303246 + ... + 13303255.

It is an arithmetic number, because the mean of its divisors is an integer number (39909753).

Almost surely, 2^133032505 is an apocalyptic number.

It is an amenable number.

133032505 is a deficient number, since it is larger than the sum of its proper divisors (26606507).

133032505 is an equidigital number, since it uses as much as digits as its factorization.

133032505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26606506.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 133032505 is about 11533.9717790534. The cubic root of 133032505 is about 510.4884529622.

Adding to 133032505 its reverse (505230331), we get a palindrome (638262836).

The spelling of 133032505 in words is "one hundred thirty-three million, thirty-two thousand, five hundred five".