133666662 has 32 divisors (see below), whose sum is σ = 279636480. Its totient is φ = 42595080.

The previous prime is 133666649. The next prime is 133666693. The reversal of 133666662 is 266666331.

It is a happy number.

133666662 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 133666662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72087 + ... + 73917.

It is an arithmetic number, because the mean of its divisors is an integer number (8738640).

Almost surely, 2^133666662 is an apocalyptic number.

133666662 is an abundant number, since it is smaller than the sum of its proper divisors (145969818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133666662 is an equidigital number, since it uses as much as digits as its factorization.

133666662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1859 counting only the distinct ones).

The product of its digits is 139968, while the sum is 39.

The square root of 133666662 is about 11561.4299288626. The cubic root of 133666662 is about 511.2983221602.

The spelling of 133666662 in words is "one hundred thirty-three million, six hundred sixty-six thousand, six hundred sixty-two".