133447001342 has 4 divisors (see below), whose sum is σ = 200170502016. Its totient is φ = 66723500670.

The previous prime is 133447001341. The next prime is 133447001357. The reversal of 133447001342 is 243100744331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243100744331 = 38039 ⋅6390829.

It is a junction number, because it is equal to n+sod(n) for n = 133447001299 and 133447001308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133447001341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33361750334 + ... + 33361750337.

It is an arithmetic number, because the mean of its divisors is an integer number (50042625504).

Almost surely, 2^133447001342 is an apocalyptic number.

133447001342 is a deficient number, since it is larger than the sum of its proper divisors (66723500674).

133447001342 is an equidigital number, since it uses as much as digits as its factorization.

133447001342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66723500673.

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 133447001342 its reverse (243100744331), we get a palindrome (376547745673).

The spelling of 133447001342 in words is "one hundred thirty-three billion, four hundred forty-seven million, one thousand, three hundred forty-two".