134144521456 has 20 divisors (see below), whose sum is σ = 283532738904. Its totient is φ = 60974782400.

The previous prime is 134144521453. The next prime is 134144521457. The reversal of 134144521456 is 654125441431.

134144521456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134144521453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381092215 + ... + 381092566.

Almost surely, 2^134144521456 is an apocalyptic number.

134144521456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

134144521456 is an abundant number, since it is smaller than the sum of its proper divisors (149388217448).

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

134144521456 is a wasteful number, since it uses less digits than its factorization.

134144521456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762184800 (or 762184794 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

Adding to 134144521456 its reverse (654125441431), we get a palindrome (788269962887).

The spelling of 134144521456 in words is "one hundred thirty-four billion, one hundred forty-four million, five hundred twenty-one thousand, four hundred fifty-six".