133335442246 has 4 divisors (see below), whose sum is σ = 200003163372. Its totient is φ = 66667721122.

The previous prime is 133335442231. The next prime is 133335442249. The reversal of 133335442246 is 642244533331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642244533331 = 1571 ⋅408812561.

It is a junction number, because it is equal to n+sod(n) for n = 133335442199 and 133335442208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133335442249) by changing a digit.

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 as a sum of consecutive naturals, namely, 33333860560 + ... + 33333860563.

It is an arithmetic number, because the mean of its divisors is an integer number (50000790843).

Almost surely, 2^133335442246 is an apocalyptic number.

133335442246 is a deficient number, since it is larger than the sum of its proper divisors (66667721126).

133335442246 is an equidigital number, since it uses as much as digits as its factorization.

133335442246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66667721125.

The product of its digits is 622080, while the sum is 40.

Adding to 133335442246 its reverse (642244533331), we get a palindrome (775579975577).

The spelling of 133335442246 in words is "one hundred thirty-three billion, three hundred thirty-five million, four hundred forty-two thousand, two hundred forty-six".