134473364520 has 192 divisors, whose sum is σ = 448415352000. Its totient is φ = 32233006080.

The previous prime is 134473364491. The next prime is 134473364549. The reversal of 134473364520 is 25463374431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (134473364491) and next prime (134473364549).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1240251 + ... + 1344309.

It is an arithmetic number, because the mean of its divisors is an integer number (2335496625).

Almost surely, 2^134473364520 is an apocalyptic number.

134473364520 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 134473364520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224207676000).

134473364520 is an abundant number, since it is smaller than the sum of its proper divisors (313941987480).

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

134473364520 is a wasteful number, since it uses less digits than its factorization.

134473364520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104184 (or 104169 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 134473364520 in words is "one hundred thirty-four billion, four hundred seventy-three million, three hundred sixty-four thousand, five hundred twenty".