134342515435221 has 32 divisors (see below), whose sum is σ = 206221528656000. Its totient is φ = 86333644502784.

The previous prime is 134342515435199. The next prime is 134342515435229. The reversal of 134342515435221 is 122534515243431.

134342515435221 is a `hidden beast` number, since 1 + 3 + 4 + 3 + 4 + 2 + 51 + 543 + 52 + 2 + 1 = 666.

It is not a de Polignac number, because 134342515435221 - 2⁵ = 134342515435189 is a prime.

It is a super-2 number, since 2×134342515435221² (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 (134342515435229) 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, 138105060 + ... + 139074413.

It is an arithmetic number, because the mean of its divisors is an integer number (6444422770500).

Almost surely, 2^{134342515435221} is an apocalyptic number.

It is an amenable number.

134342515435221 is a deficient number, since it is larger than the sum of its proper divisors (71879013220779).

134342515435221 is a wasteful number, since it uses less digits than its factorization.

134342515435221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277180130 (or 277180124 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 134342515435221 in words is "one hundred thirty-four trillion, three hundred forty-two billion, five hundred fifteen million, four hundred thirty-five thousand, two hundred twenty-one".