133038215 has 32 divisors (see below), whose sum is σ = 169205760. Its totient is φ = 100324224.

The previous prime is 133038203. The next prime is 133038221. The reversal of 133038215 is 512830331.

It is a cyclic number.

It is not a de Polignac number, because 133038215 - 2⁸ = 133037959 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 (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1047482 + ... + 1047608.

It is an arithmetic number, because the mean of its divisors is an integer number (5287680).

Almost surely, 2^133038215 is an apocalyptic number.

133038215 is a deficient number, since it is larger than the sum of its proper divisors (36167545).

133038215 is a wasteful number, since it uses less digits than its factorization.

133038215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 133038215 is about 11534.2193060475. The cubic root of 133038215 is about 510.4957565591.

Adding to 133038215 its reverse (512830331), we get a palindrome (645868546).

The spelling of 133038215 in words is "one hundred thirty-three million, thirty-eight thousand, two hundred fifteen".