134645459520 has 896 divisors, whose sum is σ = 536806932480. Its totient is φ = 28127232000.

The previous prime is 134645459519. The next prime is 134645459561. The reversal of 134645459520 is 25954546431.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 134645459520.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 123414175 + ... + 123415265.

It is an arithmetic number, because the mean of its divisors is an integer number (599114880).

Almost surely, 2^134645459520 is an apocalyptic number.

134645459520 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 134645459520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268403466240).

134645459520 is an abundant number, since it is smaller than the sum of its proper divisors (402161472960).

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

134645459520 is a wasteful number, since it uses less digits than its factorization.

134645459520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1185 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 134645459520 in words is "one hundred thirty-four billion, six hundred forty-five million, four hundred fifty-nine thousand, five hundred twenty".