134006785643 has 4 divisors (see below), whose sum is σ = 134312040720. Its totient is φ = 133701530568.

The previous prime is 134006785637. The next prime is 134006785651. The reversal of 134006785643 is 346587600431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134006785643 - 2⁶ = 134006785579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134006785603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152626880 + ... + 152627757.

It is an arithmetic number, because the mean of its divisors is an integer number (33578010180).

Almost surely, 2^134006785643 is an apocalyptic number.

134006785643 is a deficient number, since it is larger than the sum of its proper divisors (305255077).

134006785643 is an equidigital number, since it uses as much as digits as its factorization.

134006785643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305255076.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 134006785643 in words is "one hundred thirty-four billion, six million, seven hundred eighty-five thousand, six hundred forty-three".