134706727221 has 16 divisors (see below), whose sum is σ = 204456061440. Its totient is φ = 78090855920.

The previous prime is 134706727219. The next prime is 134706727289. The reversal of 134706727221 is 122727607431.

It is not a de Polignac number, because 134706727221 - 2¹ = 134706727219 is a prime.

It is a super-3 number, since 3×134706727221³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134706727291) 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, 88738851 + ... + 88740368.

It is an arithmetic number, because the mean of its divisors is an integer number (12778503840).

Almost surely, 2^134706727221 is an apocalyptic number.

134706727221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

134706727221 is a deficient number, since it is larger than the sum of its proper divisors (69749334219).

134706727221 is a wasteful number, since it uses less digits than its factorization.

134706727221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177479256.

The product of its (nonzero) digits is 197568, while the sum is 42.

The spelling of 134706727221 in words is "one hundred thirty-four billion, seven hundred six million, seven hundred twenty-seven thousand, two hundred twenty-one".