133455215 has 8 divisors (see below), whose sum is σ = 161643600. Its totient is φ = 105765952.

The previous prime is 133455199. The next prime is 133455241. The reversal of 133455215 is 512554331.

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

It is a cyclic number.

It is not a de Polignac number, because 133455215 - 2⁴ = 133455199 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 124190 + ... + 125259.

It is an arithmetic number, because the mean of its divisors is an integer number (20205450).

Almost surely, 2^133455215 is an apocalyptic number.

133455215 is a deficient number, since it is larger than the sum of its proper divisors (28188385).

133455215 is a wasteful number, since it uses less digits than its factorization.

133455215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249561.

The product of its digits is 9000, while the sum is 29.

The square root of 133455215 is about 11552.2818092358. The cubic root of 133455215 is about 511.0285726393.

The spelling of 133455215 in words is "one hundred thirty-three million, four hundred fifty-five thousand, two hundred fifteen".