133213333666208 has 24 divisors (see below), whose sum is σ = 265583544972480. Its totient is φ = 65763544466880.

The previous prime is 133213333666207. The next prime is 133213333666211. The reversal of 133213333666208 is 802666333312331.

It is a happy number.

It is a super-2 number, since 2×133213333666208² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133213333666207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26347571378 + ... + 26347576433.

It is an arithmetic number, because the mean of its divisors is an integer number (11065981040520).

Almost surely, 2^{133213333666208} is an apocalyptic number.

It is an amenable number.

133213333666208 is a deficient number, since it is larger than the sum of its proper divisors (132370211306272).

133213333666208 is an equidigital number, since it uses as much as digits as its factorization.

133213333666208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52695147900 (or 52695147892 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 50.

Adding to 133213333666208 its reverse (802666333312331), we get a palindrome (935879666978539).

The spelling of 133213333666208 in words is "one hundred thirty-three trillion, two hundred thirteen billion, three hundred thirty-three million, six hundred sixty-six thousand, two hundred eight".