134273999020 has 192 divisors, whose sum is σ = 348099333120. Its totient is φ = 42477861888.

The previous prime is 134273999017. The next prime is 134273999099. The reversal of 134273999020 is 20999372431.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45407382 + ... + 45410338.

It is an arithmetic number, because the mean of its divisors is an integer number (1813017360).

Almost surely, 2^134273999020 is an apocalyptic number.

134273999020 is a gapful number since it is divisible by the number (10) 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 134273999020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174049666560).

134273999020 is an abundant number, since it is smaller than the sum of its proper divisors (213825334100).

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

134273999020 is a wasteful number, since it uses less digits than its factorization.

134273999020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432 (or 3430 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 134273999020 in words is "one hundred thirty-four billion, two hundred seventy-three million, nine hundred ninety-nine thousand, twenty".