134404061668 has 6 divisors (see below), whose sum is σ = 235207107926. Its totient is φ = 67202030832.

The previous prime is 134404061629. The next prime is 134404061713. The reversal of 134404061668 is 866160404431.

It can be written as a sum of positive squares in only one way, i.e., 133855003044 + 549058624 = 365862^2 + 23432^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16800507705 + ... + 16800507712.

Almost surely, 2^134404061668 is an apocalyptic number.

It is an amenable number.

134404061668 is a deficient number, since it is larger than the sum of its proper divisors (100803046258).

134404061668 is a wasteful number, since it uses less digits than its factorization.

134404061668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33601015421 (or 33601015419 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 134404061668 in words is "one hundred thirty-four billion, four hundred four million, sixty-one thousand, six hundred sixty-eight".