134421538608 has 480 divisors, whose sum is σ = 453790844416. Its totient is φ = 37730893824.

The previous prime is 134421538507. The next prime is 134421538613. The reversal of 134421538608 is 806835124431.

134421538608 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 2 + 1 + 5 + 38 + 608 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 696484560 + ... + 696484752.

Almost surely, 2^134421538608 is an apocalyptic number.

134421538608 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 134421538608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226895422208).

134421538608 is an abundant number, since it is smaller than the sum of its proper divisors (319369305808).

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

134421538608 is a wasteful number, since it uses less digits than its factorization.

134421538608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 134421538608 in words is "one hundred thirty-four billion, four hundred twenty-one million, five hundred thirty-eight thousand, six hundred eight".