135355123434 has 16 divisors (see below), whose sum is σ = 277312936320. Its totient is φ = 44017926240.

The previous prime is 135355123433. The next prime is 135355123483. The reversal of 135355123434 is 434321553531.

It is a junction number, because it is equal to n+sod(n) for n = 135355123392 and 135355123401.

It is not an unprimeable number, because it can be changed into a prime (135355123433) 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, 275111794 + ... + 275112285.

It is an arithmetic number, because the mean of its divisors is an integer number (17332058520).

Almost surely, 2^135355123434 is an apocalyptic number.

135355123434 is an abundant number, since it is smaller than the sum of its proper divisors (141957812886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135355123434 is a wasteful number, since it uses less digits than its factorization.

135355123434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550224125.

The product of its digits is 324000, while the sum is 39.

Adding to 135355123434 its reverse (434321553531), we get a palindrome (569676676965).

The spelling of 135355123434 in words is "one hundred thirty-five billion, three hundred fifty-five million, one hundred twenty-three thousand, four hundred thirty-four".