134678296287 has 24 divisors (see below), whose sum is σ = 195436332000. Its totient is φ = 89369941248.

The previous prime is 134678296217. The next prime is 134678296309. The reversal of 134678296287 is 782692876431.

134678296287 is a `hidden beast` number, since 1 + 3 + 4 + 67 + 8 + 296 + 287 = 666.

It is not a de Polignac number, because 134678296287 - 2¹⁵ = 134678263519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134678296217) 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, 7391214 + ... + 7409412.

It is an arithmetic number, because the mean of its divisors is an integer number (8143180500).

Almost surely, 2^134678296287 is an apocalyptic number.

134678296287 is a deficient number, since it is larger than the sum of its proper divisors (60758035713).

134678296287 is a wasteful number, since it uses less digits than its factorization.

134678296287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21967 (or 21964 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 134678296287 in words is "one hundred thirty-four billion, six hundred seventy-eight million, two hundred ninety-six thousand, two hundred eighty-seven".