135131475135 has 32 divisors (see below), whose sum is σ = 221297776128. Its totient is φ = 70375213440.

The previous prime is 135131475113. The next prime is 135131475137. The reversal of 135131475135 is 531574131531.

It is not a de Polignac number, because 135131475135 - 2⁷ = 135131475007 is a prime.

It is a super-2 number, since 2×135131475135² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 135131475093 and 135131475102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135131475137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2567494 + ... + 2619596.

It is an arithmetic number, because the mean of its divisors is an integer number (6915555504).

Almost surely, 2^135131475135 is an apocalyptic number.

135131475135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135131475135 is a deficient number, since it is larger than the sum of its proper divisors (86166300993).

135131475135 is a wasteful number, since it uses less digits than its factorization.

135131475135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56175.

The product of its digits is 94500, while the sum is 39.

The spelling of 135131475135 in words is "one hundred thirty-five billion, one hundred thirty-one million, four hundred seventy-five thousand, one hundred thirty-five".