134778731112 has 48 divisors (see below), whose sum is σ = 378545207040. Its totient is φ = 44926243056.

The previous prime is 134778731099. The next prime is 134778731117. The reversal of 134778731112 is 211137877431.

It is not an unprimeable number, because it can be changed into a prime (134778731117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34663368 + ... + 34667255.

It is an arithmetic number, because the mean of its divisors is an integer number (7886358480).

Almost surely, 2^134778731112 is an apocalyptic number.

134778731112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134778731112 is an abundant number, since it is smaller than the sum of its proper divisors (243766475928).

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

134778731112 is an equidigital number, since it uses as much as digits as its factorization.

134778731112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69330644 (or 69330628 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The spelling of 134778731112 in words is "one hundred thirty-four billion, seven hundred seventy-eight million, seven hundred thirty-one thousand, one hundred twelve".