133367216 has 10 divisors (see below), whose sum is σ = 258399012. Its totient is φ = 66683600.

The previous prime is 133367207. The next prime is 133367237. The reversal of 133367216 is 612763331.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4167710 + ... + 4167741.

Almost surely, 2^133367216 is an apocalyptic number.

133367216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133367216 is a deficient number, since it is larger than the sum of its proper divisors (125031796).

133367216 is an equidigital number, since it uses as much as digits as its factorization.

133367216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8335459 (or 8335453 counting only the distinct ones).

The product of its digits is 13608, while the sum is 32.

The square root of 133367216 is about 11548.4724530996. The cubic root of 133367216 is about 510.9162256090.

The spelling of 133367216 in words is "one hundred thirty-three million, three hundred sixty-seven thousand, two hundred sixteen".