135122312435 has 16 divisors (see below), whose sum is σ = 177020785152. Its totient is φ = 98196664800.

The previous prime is 135122312383. The next prime is 135122312459. The reversal of 135122312435 is 534213221531.

It is a de Polignac number, because none of the positive numbers 2^k-135122312435 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852701 + ... + 998670.

It is an arithmetic number, because the mean of its divisors is an integer number (11063799072).

Almost surely, 2^135122312435 is an apocalyptic number.

135122312435 is a deficient number, since it is larger than the sum of its proper divisors (41898472717).

135122312435 is a wasteful number, since it uses less digits than its factorization.

135122312435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852714.

The product of its digits is 21600, while the sum is 32.

Adding to 135122312435 its reverse (534213221531), we get a palindrome (669335533966).

The spelling of 135122312435 in words is "one hundred thirty-five billion, one hundred twenty-two million, three hundred twelve thousand, four hundred thirty-five".