133052218 has 16 divisors (see below), whose sum is σ = 218141280. Its totient is φ = 60491376.

The previous prime is 133052197. The next prime is 133052219. The reversal of 133052218 is 812250331.

It is a junction number, because it is equal to n+sod(n) for n = 133052192 and 133052201.

It is not an unprimeable number, because it can be changed into a prime (133052219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36448 + ... + 39931.

It is an arithmetic number, because the mean of its divisors is an integer number (13633830).

Almost surely, 2^133052218 is an apocalyptic number.

133052218 is a deficient number, since it is larger than the sum of its proper divisors (85089062).

133052218 is a wasteful number, since it uses less digits than its factorization.

133052218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76461.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 133052218 is about 11534.8263099190. The cubic root of 133052218 is about 510.5136667545.

The spelling of 133052218 in words is "one hundred thirty-three million, fifty-two thousand, two hundred eighteen".