134677643427 has 24 divisors (see below), whose sum is σ = 197608666944. Its totient is φ = 88368510384.

The previous prime is 134677643371. The next prime is 134677643447. The reversal of 134677643427 is 724346776431.

134677643427 is a `hidden beast` number, since 134 + 6 + 7 + 76 + 434 + 2 + 7 = 666.

It is not a de Polignac number, because 134677643427 - 2⁶ = 134677643363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (134677643447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 605268 + ... + 797310.

It is an arithmetic number, because the mean of its divisors is an integer number (8233694456).

Almost surely, 2^134677643427 is an apocalyptic number.

134677643427 is a deficient number, since it is larger than the sum of its proper divisors (62931023517).

134677643427 is a wasteful number, since it uses less digits than its factorization.

134677643427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193279 (or 193276 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 54.

The spelling of 134677643427 in words is "one hundred thirty-four billion, six hundred seventy-seven million, six hundred forty-three thousand, four hundred twenty-seven".