134421303016 has 128 divisors (see below), whose sum is σ = 339490771200. Its totient is φ = 48187975680.

The previous prime is 134421303011. The next prime is 134421303031. The reversal of 134421303016 is 610303124431.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (134421303011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2479690 + ... + 2533318.

It is an arithmetic number, because the mean of its divisors is an integer number (2652271650).

Almost surely, 2^134421303016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 134421303016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169745385600).

134421303016 is an abundant number, since it is smaller than the sum of its proper divisors (205069468184).

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

134421303016 is a wasteful number, since it uses less digits than its factorization.

134421303016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53979 (or 53975 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 134421303016 its reverse (610303124431), we get a palindrome (744724427447).

The spelling of 134421303016 in words is "one hundred thirty-four billion, four hundred twenty-one million, three hundred three thousand, sixteen".