133420013242 has 16 divisors (see below), whose sum is σ = 204451868160. Its totient is φ = 65270276208.

The previous prime is 133420013231. The next prime is 133420013249. The reversal of 133420013242 is 242310024331.

It is not an unprimeable number, because it can be changed into a prime (133420013249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83743 + ... + 523309.

It is an arithmetic number, because the mean of its divisors is an integer number (12778241760).

Almost surely, 2^133420013242 is an apocalyptic number.

133420013242 is a deficient number, since it is larger than the sum of its proper divisors (71031854918).

133420013242 is a wasteful number, since it uses less digits than its factorization.

133420013242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442845.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 133420013242 its reverse (242310024331), we get a palindrome (375730037573).

The spelling of 133420013242 in words is "one hundred thirty-three billion, four hundred twenty million, thirteen thousand, two hundred forty-two".