134116521000 has 768 divisors, whose sum is σ = 537310126080. Its totient is φ = 27251136000.

The previous prime is 134116520983. The next prime is 134116521037. The reversal of 134116521000 is 125611431.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 119426439 + ... + 119427561.

It is an arithmetic number, because the mean of its divisors is an integer number (699622560).

Almost surely, 2^134116521000 is an apocalyptic number.

134116521000 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 134116521000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268655063040).

134116521000 is an abundant number, since it is smaller than the sum of its proper divisors (403193605080).

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

134116521000 is a wasteful number, since it uses less digits than its factorization.

134116521000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223 (or 1198 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 134116521000 in words is "one hundred thirty-four billion, one hundred sixteen million, five hundred twenty-one thousand".