133542534251242 has 32 divisors (see below), whose sum is σ = 209193725191680. Its totient is φ = 63877086725760.

The previous prime is 133542534251227. The next prime is 133542534251261. The reversal of 133542534251242 is 242152435245331.

It is a junction number, because it is equal to n+sod(n) for n = 133542534251192 and 133542534251201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32700267 + ... + 36556702.

It is an arithmetic number, because the mean of its divisors is an integer number (6537303912240).

Almost surely, 2^{133542534251242} is an apocalyptic number.

133542534251242 is a deficient number, since it is larger than the sum of its proper divisors (75651190940438).

133542534251242 is a wasteful number, since it uses less digits than its factorization.

133542534251242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69257446.

The product of its digits is 3456000, while the sum is 46.

Adding to 133542534251242 its reverse (242152435245331), we get a palindrome (375694969496573).

The spelling of 133542534251242 in words is "one hundred thirty-three trillion, five hundred forty-two billion, five hundred thirty-four million, two hundred fifty-one thousand, two hundred forty-two".