134691346678 has 8 divisors (see below), whose sum is σ = 230899451472. Its totient is φ = 57724862856.

The previous prime is 134691346663. The next prime is 134691346687. The reversal of 134691346678 is 876643196431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4810405225 + ... + 4810405252.

It is an arithmetic number, because the mean of its divisors is an integer number (28862431434).

Almost surely, 2^134691346678 is an apocalyptic number.

134691346678 is a deficient number, since it is larger than the sum of its proper divisors (96208104794).

134691346678 is an equidigital number, since it uses as much as digits as its factorization.

134691346678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9620810486.

The product of its digits is 15676416, while the sum is 58.

The spelling of 134691346678 in words is "one hundred thirty-four billion, six hundred ninety-one million, three hundred forty-six thousand, six hundred seventy-eight".