133122237447 has 8 divisors (see below), whose sum is σ = 177559292160. Its totient is φ = 88716670520.

The previous prime is 133122237439. The next prime is 133122237503. The reversal of 133122237447 is 744732221331.

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

It is a cyclic number.

It is not a de Polignac number, because 133122237447 - 2³ = 133122237439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133122237407) 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, 7862079 + ... + 7878992.

It is an arithmetic number, because the mean of its divisors is an integer number (22194911520).

Almost surely, 2^133122237447 is an apocalyptic number.

133122237447 is a deficient number, since it is larger than the sum of its proper divisors (44437054713).

133122237447 is a wasteful number, since it uses less digits than its factorization.

133122237447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15743893.

The product of its digits is 169344, while the sum is 39.

Adding to 133122237447 its reverse (744732221331), we get a palindrome (877854458778).

The spelling of 133122237447 in words is "one hundred thirty-three billion, one hundred twenty-two million, two hundred thirty-seven thousand, four hundred forty-seven".