133310320442 has 8 divisors (see below), whose sum is σ = 215347440756. Its totient is φ = 61527840192.

The previous prime is 133310320439. The next prime is 133310320499. The reversal of 133310320442 is 244023013331.

It can be written as a sum of positive squares in 2 ways, for example, as 129860050321 + 3450270121 = 360361^2 + 58739^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5127320017 = 133310320442 / (1 + 3 + 3 + 3 + 1 + 0 + 3 + 2 + 0 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563659983 + ... + 2563660034.

Almost surely, 2^133310320442 is an apocalyptic number.

133310320442 is a deficient number, since it is larger than the sum of its proper divisors (82037120314).

133310320442 is a wasteful number, since it uses less digits than its factorization.

133310320442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127320032.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 133310320442 its reverse (244023013331), we get a palindrome (377333333773).

The spelling of 133310320442 in words is "one hundred thirty-three billion, three hundred ten million, three hundred twenty thousand, four hundred forty-two".