134623016388 has 480 divisors, whose sum is σ = 442940940288. Its totient is φ = 34768051200.

The previous prime is 134623016369. The next prime is 134623016401. The reversal of 134623016388 is 883610326431.

134623016388 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 2 + 3 + 0 + 1 + 638 + 8 = 666.

134623016388 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 194823123 + ... + 194823813.

Almost surely, 2^134623016388 is an apocalyptic number.

134623016388 is a gapful number since it is divisible by the number (18) 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 134623016388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221470470144).

134623016388 is an abundant number, since it is smaller than the sum of its proper divisors (308317923900).

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

134623016388 is a wasteful number, since it uses less digits than its factorization.

134623016388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 134623016388 in words is "one hundred thirty-four billion, six hundred twenty-three million, sixteen thousand, three hundred eighty-eight".