135031273368 has 32 divisors (see below), whose sum is σ = 348467804160. Its totient is φ = 43558475040.

The previous prime is 135031273357. The next prime is 135031273369. The reversal of 135031273368 is 863372130531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135031273369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90746080 + ... + 90747567.

It is an arithmetic number, because the mean of its divisors is an integer number (10889618880).

Almost surely, 2^135031273368 is an apocalyptic number.

It is an amenable number.

135031273368 is an abundant number, since it is smaller than the sum of its proper divisors (213436530792).

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

135031273368 is a wasteful number, since it uses less digits than its factorization.

135031273368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181493687 (or 181493683 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 135031273368 in words is "one hundred thirty-five billion, thirty-one million, two hundred seventy-three thousand, three hundred sixty-eight".