13134040221 has 8 divisors (see below), whose sum is σ = 18273447360. Its totient is φ = 8375329952.

The previous prime is 13134040211. The next prime is 13134040237. The reversal of 13134040221 is 12204043131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13134040221 - 2¹³ = 13134032029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13134040201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95174136 + ... + 95174273.

It is an arithmetic number, because the mean of its divisors is an integer number (2284180920).

Almost surely, 2^13134040221 is an apocalyptic number.

It is an amenable number.

13134040221 is a deficient number, since it is larger than the sum of its proper divisors (5139407139).

13134040221 is a wasteful number, since it uses less digits than its factorization.

13134040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190348435.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13134040221 its reverse (12204043131), we get a palindrome (25338083352).

The spelling of 13134040221 in words is "thirteen billion, one hundred thirty-four million, forty thousand, two hundred twenty-one".