133150216 has 8 divisors (see below), whose sum is σ = 249656670. Its totient is φ = 66575104.

The previous prime is 133150211. The next prime is 133150217. The reversal of 133150216 is 612051331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 121220100 + 11930116 = 11010^2 + 3454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (133150211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8321881 + ... + 8321896.

Almost surely, 2^133150216 is an apocalyptic number.

It is an amenable number.

133150216 is a deficient number, since it is larger than the sum of its proper divisors (116506454).

133150216 is a wasteful number, since it uses less digits than its factorization.

133150216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16643783 (or 16643779 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 133150216 is about 11539.0734463387. The cubic root of 133150216 is about 510.6389735483.

The spelling of 133150216 in words is "one hundred thirty-three million, one hundred fifty thousand, two hundred sixteen".