133243420442 has 8 divisors (see below), whose sum is σ = 218034688032. Its totient is φ = 60565191100.

The previous prime is 133243420441. The next prime is 133243420463. The reversal of 133243420442 is 244024342331.

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

It is a junction number, because it is equal to n+sod(n) for n = 133243420399 and 133243420408.

It is not an unprimeable number, because it can be changed into a prime (133243420441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028259534 + ... + 3028259577.

It is an arithmetic number, because the mean of its divisors is an integer number (27254336004).

Almost surely, 2^133243420442 is an apocalyptic number.

133243420442 is a deficient number, since it is larger than the sum of its proper divisors (84791267590).

133243420442 is a wasteful number, since it uses less digits than its factorization.

133243420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056519124.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 133243420442 its reverse (244024342331), we get a palindrome (377267762773).

The spelling of 133243420442 in words is "one hundred thirty-three billion, two hundred forty-three million, four hundred twenty thousand, four hundred forty-two".