134663441643 has 6 divisors (see below), whose sum is σ = 194513860164. Its totient is φ = 89775627756.

The previous prime is 134663441629. The next prime is 134663441701. The reversal of 134663441643 is 346144366431.

134663441643 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 634 + 4 + 1 + 6 + 4 + 3 = 666.

It is not a de Polignac number, because 134663441643 - 2⁸ = 134663441387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134663441603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7481302305 + ... + 7481302322.

It is an arithmetic number, because the mean of its divisors is an integer number (32418976694).

Almost surely, 2^134663441643 is an apocalyptic number.

134663441643 is a deficient number, since it is larger than the sum of its proper divisors (59850418521).

134663441643 is a wasteful number, since it uses less digits than its factorization.

134663441643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14962604633 (or 14962604630 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 45.

The spelling of 134663441643 in words is "one hundred thirty-four billion, six hundred sixty-three million, four hundred forty-one thousand, six hundred forty-three".