134744134666678 has 16 divisors (see below), whose sum is σ = 202329183490560. Its totient is φ = 67301087818536.

The previous prime is 134744134666621. The next prime is 134744134666741. The reversal of 134744134666678 is 876666431447431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15277363 + ... + 22425121.

It is an arithmetic number, because the mean of its divisors is an integer number (12645573968160).

Almost surely, 2^{134744134666678} is an apocalyptic number.

134744134666678 is a deficient number, since it is larger than the sum of its proper divisors (67585048823882).

134744134666678 is a wasteful number, since it uses less digits than its factorization.

134744134666678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7157691.

The product of its digits is 1170505728, while the sum is 70.

The spelling of 134744134666678 in words is "one hundred thirty-four trillion, seven hundred forty-four billion, one hundred thirty-four million, six hundred sixty-six thousand, six hundred seventy-eight".