135523345345212 has 48 divisors (see below), whose sum is σ = 363124753084800. Its totient is φ = 38906223543360.

The previous prime is 135523345345177. The next prime is 135523345345217. The reversal of 135523345345212 is 212543543325531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135523345345217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27018208287 + ... + 27018213302.

It is an arithmetic number, because the mean of its divisors is an integer number (7565099022600).

Almost surely, 2^{135523345345212} is an apocalyptic number.

135523345345212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

135523345345212 is an abundant number, since it is smaller than the sum of its proper divisors (227601407739588).

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

135523345345212 is a wasteful number, since it uses less digits than its factorization.

135523345345212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54036421626 (or 54036421624 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 48.

The spelling of 135523345345212 in words is "one hundred thirty-five trillion, five hundred twenty-three billion, three hundred forty-five million, three hundred forty-five thousand, two hundred twelve".