134121204421452 has 144 divisors (see below), whose sum is σ = 349070862722400. Its totient is φ = 43388945740800.

The previous prime is 134121204421447. The next prime is 134121204421487. The reversal of 134121204421452 is 254124402121431.

134121204421452 is a `hidden beast` number, since 1 + 3 + 4 + 1 + 21 + 204 + 421 + 4 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 5916491574 + ... + 5916514242.

It is an arithmetic number, because the mean of its divisors is an integer number (2424103213350).

Almost surely, 2^{134121204421452} is an apocalyptic number.

134121204421452 is a gapful number since it is divisible by the number (12) 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 134121204421452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174535431361200).

134121204421452 is an abundant number, since it is smaller than the sum of its proper divisors (214949658300948).

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

134121204421452 is a wasteful number, since it uses less digits than its factorization.

134121204421452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33736 (or 33731 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

Adding to 134121204421452 its reverse (254124402121431), we get a palindrome (388245606542883).

The spelling of 134121204421452 in words is "one hundred thirty-four trillion, one hundred twenty-one billion, two hundred four million, four hundred twenty-one thousand, four hundred fifty-two".