133201024442 has 4 divisors (see below), whose sum is σ = 199801536666. Its totient is φ = 66600512220.

The previous prime is 133201024421. The next prime is 133201024469. The reversal of 133201024442 is 244420102331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244420102331 = 1747 ⋅139908473.

It can be written as a sum of positive squares in only one way, i.e., 90830507161 + 42370517281 = 301381^2 + 205841^2 .

It is a super-2 number, since 2×133201024442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33300256109 + ... + 33300256112.

Almost surely, 2^133201024442 is an apocalyptic number.

133201024442 is a deficient number, since it is larger than the sum of its proper divisors (66600512224).

133201024442 is an equidigital number, since it uses as much as digits as its factorization.

133201024442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66600512223.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 133201024442 its reverse (244420102331), we get a palindrome (377621126773).

The spelling of 133201024442 in words is "one hundred thirty-three billion, two hundred one million, twenty-four thousand, four hundred forty-two".