134242221552 has 80 divisors (see below), whose sum is σ = 351576738720. Its totient is φ = 44132622336.

The previous prime is 134242221551. The next prime is 134242221571. The reversal of 134242221552 is 255122242431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134242221551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1656408 + ... + 1735560.

It is an arithmetic number, because the mean of its divisors is an integer number (4394709234).

Almost surely, 2^134242221552 is an apocalyptic number.

134242221552 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 134242221552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175788369360).

134242221552 is an abundant number, since it is smaller than the sum of its proper divisors (217334517168).

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

134242221552 is a wasteful number, since it uses less digits than its factorization.

134242221552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79650 (or 79644 counting only the distinct ones).

The product of its digits is 38400, while the sum is 33.

Adding to 134242221552 its reverse (255122242431), we get a palindrome (389364463983).

The spelling of 134242221552 in words is "one hundred thirty-four billion, two hundred forty-two million, two hundred twenty-one thousand, five hundred fifty-two".