133005255 has 16 divisors (see below), whose sum is σ = 213027840. Its totient is φ = 70863008.

The previous prime is 133005247. The next prime is 133005277. The reversal of 133005255 is 552500331.

It is a cyclic number.

It is not a de Polignac number, because 133005255 - 2³ = 133005247 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12526 + ... + 20564.

It is an arithmetic number, because the mean of its divisors is an integer number (13314240).

Almost surely, 2^133005255 is an apocalyptic number.

133005255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133005255 is a deficient number, since it is larger than the sum of its proper divisors (80022585).

133005255 is a wasteful number, since it uses less digits than its factorization.

133005255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9150.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 133005255 is about 11532.7904255648. The cubic root of 133005255 is about 510.4535949144.

Adding to 133005255 its reverse (552500331), we get a palindrome (685505586).

The spelling of 133005255 in words is "one hundred thirty-three million, five thousand, two hundred fifty-five".