135191717500 has 60 divisors (see below), whose sum is σ = 337871184112. Its totient is φ = 46351440000.

The previous prime is 135191717497. The next prime is 135191717513. The reversal of 135191717500 is 5717191531.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 3845121 + ... + 3880120.

Almost surely, 2^135191717500 is an apocalyptic number.

135191717500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135191717500 is an abundant number, since it is smaller than the sum of its proper divisors (202679466612).

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

135191717500 is an equidigital number, since it uses as much as digits as its factorization.

135191717500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725272 (or 7725255 counting only the distinct ones).

The product of its (nonzero) digits is 33075, while the sum is 40.

The spelling of 135191717500 in words is "one hundred thirty-five billion, one hundred ninety-one million, seven hundred seventeen thousand, five hundred".