133505442502 has 8 divisors (see below), whose sum is σ = 200518579800. Its totient is φ = 66665915904.

The previous prime is 133505442493. The next prime is 133505442527. The reversal of 133505442502 is 205244505331.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 43400752 + ... + 43403827.

It is an arithmetic number, because the mean of its divisors is an integer number (25064822475).

Almost surely, 2^133505442502 is an apocalyptic number.

133505442502 is a deficient number, since it is larger than the sum of its proper divisors (67013137298).

133505442502 is an equidigital number, since it uses as much as digits as its factorization.

133505442502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86805350.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 133505442502 its reverse (205244505331), we get a palindrome (338749947833).

The spelling of 133505442502 in words is "one hundred thirty-three billion, five hundred five million, four hundred forty-two thousand, five hundred two".