135223562105 has 8 divisors (see below), whose sum is σ = 162271579272. Its totient is φ = 108176646528.

The previous prime is 135223562063. The next prime is 135223562147. The reversal of 135223562105 is 501265322531.

It is an interprime number because it is at equal distance from previous prime (135223562063) and next prime (135223562147).

It can be written as a sum of positive squares in 4 ways, for example, as 23173363984 + 112050198121 = 152228^2 + 334739^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135223562105 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24317 + ... + 520613.

It is an arithmetic number, because the mean of its divisors is an integer number (20283947409).

Almost surely, 2^135223562105 is an apocalyptic number.

It is an amenable number.

135223562105 is a deficient number, since it is larger than the sum of its proper divisors (27048017167).

135223562105 is an equidigital number, since it uses as much as digits as its factorization.

135223562105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550795.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 135223562105 its reverse (501265322531), we get a palindrome (636488884636).

The spelling of 135223562105 in words is "one hundred thirty-five billion, two hundred twenty-three million, five hundred sixty-two thousand, one hundred five".