134221216251453 has 32 divisors (see below), whose sum is σ = 187106369354496. Its totient is φ = 85423642579968.

The previous prime is 134221216251391. The next prime is 134221216251527. The reversal of 134221216251453 is 354152612122431.

It is not a de Polignac number, because 134221216251453 - 2⁶ = 134221216251389 is a prime.

It is a super-2 number, since 2×134221216251453² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134221216250453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254816725 + ... + 255342917.

It is an arithmetic number, because the mean of its divisors is an integer number (5847074042328).

Almost surely, 2^{134221216251453} is an apocalyptic number.

It is an amenable number.

134221216251453 is a deficient number, since it is larger than the sum of its proper divisors (52885153103043).

134221216251453 is a wasteful number, since it uses less digits than its factorization.

134221216251453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533413.

The product of its digits is 345600, while the sum is 42.

Adding to 134221216251453 its reverse (354152612122431), we get a palindrome (488373828373884).

The spelling of 134221216251453 in words is "one hundred thirty-four trillion, two hundred twenty-one billion, two hundred sixteen million, two hundred fifty-one thousand, four hundred fifty-three".