134223631872 has 160 divisors (see below), whose sum is σ = 390453402240. Its totient is φ = 40635678720.

The previous prime is 134223631831. The next prime is 134223631931. The reversal of 134223631872 is 278136322431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21775863 + ... + 21782025.

It is an arithmetic number, because the mean of its divisors is an integer number (2440333764).

Almost surely, 2^134223631872 is an apocalyptic number.

134223631872 is a gapful number since it is divisible by the number (12) 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 134223631872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195226701120).

134223631872 is an abundant number, since it is smaller than the sum of its proper divisors (256229770368).

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

134223631872 is a wasteful number, since it uses less digits than its factorization.

134223631872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7484 (or 7468 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The spelling of 134223631872 in words is "one hundred thirty-four billion, two hundred twenty-three million, six hundred thirty-one thousand, eight hundred seventy-two".