134325399420 has 144 divisors (see below), whose sum is σ = 410768074080. Its totient is φ = 35529228288.

The previous prime is 134325399419. The next prime is 134325399427. The reversal of 134325399420 is 24993523431.

134325399420 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 2 + 539 + 94 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134325399427) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38854332 + ... + 38857788.

It is an arithmetic number, because the mean of its divisors is an integer number (2852556070).

Almost surely, 2^134325399420 is an apocalyptic number.

134325399420 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 134325399420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205384037040).

134325399420 is an abundant number, since it is smaller than the sum of its proper divisors (276442674660).

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

134325399420 is a wasteful number, since it uses less digits than its factorization.

134325399420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164 (or 5159 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 134325399420 in words is "one hundred thirty-four billion, three hundred twenty-five million, three hundred ninety-nine thousand, four hundred twenty".