134221042550144 has 192 divisors, whose sum is σ = 309639307714800. Its totient is φ = 57750257664000.

The previous prime is 134221042549991. The next prime is 134221042550167. The reversal of 134221042550144 is 441055240122431.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 134221042550098 and 134221042550107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353230784 + ... + 353610560.

Almost surely, 2^{134221042550144} 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 134221042550144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154819653857400).

134221042550144 is an abundant number, since it is smaller than the sum of its proper divisors (175418265164656).

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

134221042550144 is a wasteful number, since it uses less digits than its factorization.

134221042550144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381033 (or 381010 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

Adding to 134221042550144 its reverse (441055240122431), we get a palindrome (575276282672575).

The spelling of 134221042550144 in words is "one hundred thirty-four trillion, two hundred twenty-one billion, forty-two million, five hundred fifty thousand, one hundred forty-four".