135111131526 has 32 divisors (see below), whose sum is σ = 308846158848. Its totient is φ = 38600591040.

The previous prime is 135111131521. The next prime is 135111131539. The reversal of 135111131526 is 625131111531.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 135111131493 and 135111131502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135111131521) 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, 576826 + ... + 776498.

It is an arithmetic number, because the mean of its divisors is an integer number (9651442464).

Almost surely, 2^135111131526 is an apocalyptic number.

135111131526 is an abundant number, since it is smaller than the sum of its proper divisors (173735027322).

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

135111131526 is a wasteful number, since it uses less digits than its factorization.

135111131526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215796.

The product of its digits is 2700, while the sum is 30.

The spelling of 135111131526 in words is "one hundred thirty-five billion, one hundred eleven million, one hundred thirty-one thousand, five hundred twenty-six".