133239961306 has 8 divisors (see below), whose sum is σ = 199862737344. Its totient is φ = 66619048860.

The previous prime is 133239961303. The next prime is 133239961319. The reversal of 133239961306 is 603169932331.

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

It is not an unprimeable number, because it can be changed into a prime (133239961303) 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, 270820 + ... + 582943.

It is an arithmetic number, because the mean of its divisors is an integer number (24982842168).

Almost surely, 2^133239961306 is an apocalyptic number.

133239961306 is a deficient number, since it is larger than the sum of its proper divisors (66622776038).

133239961306 is an equidigital number, since it uses as much as digits as its factorization.

133239961306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931796.

The product of its (nonzero) digits is 472392, while the sum is 46.

The spelling of 133239961306 in words is "one hundred thirty-three billion, two hundred thirty-nine million, nine hundred sixty-one thousand, three hundred six".