133021132306 has 16 divisors (see below), whose sum is σ = 206737950744. Its totient is φ = 64140297984.

The previous prime is 133021132297. The next prime is 133021132331. The reversal of 133021132306 is 603231120331.

It can be written as a sum of positive squares in 4 ways, for example, as 124791921081 + 8229211225 = 353259^2 + 90715^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7945545 + ... + 7962268.

Almost surely, 2^133021132306 is an apocalyptic number.

133021132306 is a deficient number, since it is larger than the sum of its proper divisors (73716818438).

133021132306 is a wasteful number, since it uses less digits than its factorization.

133021132306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15907965.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 133021132306 its reverse (603231120331), we get a palindrome (736252252637).

The spelling of 133021132306 in words is "one hundred thirty-three billion, twenty-one million, one hundred thirty-two thousand, three hundred six".