133446631064 has 8 divisors (see below), whose sum is σ = 250212433260. Its totient is φ = 66723315528.

The previous prime is 133446631009. The next prime is 133446631079. The reversal of 133446631064 is 460136644331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8340414434 + ... + 8340414449.

Almost surely, 2^133446631064 is an apocalyptic number.

It is an amenable number.

133446631064 is a deficient number, since it is larger than the sum of its proper divisors (116765802196).

133446631064 is a wasteful number, since it uses less digits than its factorization.

133446631064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16680828889 (or 16680828885 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 133446631064 in words is "one hundred thirty-three billion, four hundred forty-six million, six hundred thirty-one thousand, sixty-four".