134169686784 has 216 divisors, whose sum is σ = 442419973632. Its totient is φ = 38307133440.

The previous prime is 134169686773. The next prime is 134169686801. The reversal of 134169686784 is 487686961431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38431279 + ... + 38434769.

Almost surely, 2^134169686784 is an apocalyptic number.

134169686784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134169686784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221209986816).

134169686784 is an abundant number, since it is smaller than the sum of its proper divisors (308250286848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134169686784 is a wasteful number, since it uses less digits than its factorization.

134169686784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5903 (or 5886 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 134169686784 in words is "one hundred thirty-four billion, one hundred sixty-nine million, six hundred eighty-six thousand, seven hundred eighty-four".