135222131253 has 16 divisors (see below), whose sum is σ = 197989304832. Its totient is φ = 81410070000.

The previous prime is 135222131197. The next prime is 135222131309. The reversal of 135222131253 is 352131222531.

It is an interprime number because it is at equal distance from previous prime (135222131197) and next prime (135222131309).

It is not a de Polignac number, because 135222131253 - 2¹⁸ = 135221869109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135222131253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135222131953) 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, 13563363 + ... + 13573328.

It is an arithmetic number, because the mean of its divisors is an integer number (12374331552).

Almost surely, 2^135222131253 is an apocalyptic number.

It is an amenable number.

135222131253 is a deficient number, since it is larger than the sum of its proper divisors (62767173579).

135222131253 is a wasteful number, since it uses less digits than its factorization.

135222131253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27136856.

The product of its digits is 10800, while the sum is 30.

Adding to 135222131253 its reverse (352131222531), we get a palindrome (487353353784).

The spelling of 135222131253 in words is "one hundred thirty-five billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred fifty-three".