456135335221 has 8 divisors (see below), whose sum is σ = 470841311160. Its totient is φ = 441554516928.

The previous prime is 456135335207. The next prime is 456135335273. The reversal of 456135335221 is 122533531654.

It can be written as a sum of positive squares in 4 ways, for example, as 404955322321 + 51180012900 = 636361^2 + 226230^2 .

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 456135335221 - 2¹⁹ = 456134810933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456135335521) 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, 31282006 + ... + 31296583.

It is an arithmetic number, because the mean of its divisors is an integer number (58855163895).

Almost surely, 2^456135335221 is an apocalyptic number.

It is an amenable number.

456135335221 is a deficient number, since it is larger than the sum of its proper divisors (14705975939).

456135335221 is a wasteful number, since it uses less digits than its factorization.

456135335221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62578823.

The product of its digits is 324000, while the sum is 40.

Adding to 456135335221 its reverse (122533531654), we get a palindrome (578668866875).

The spelling of 456135335221 in words is "four hundred fifty-six billion, one hundred thirty-five million, three hundred thirty-five thousand, two hundred twenty-one".