135192538685 has 8 divisors (see below), whose sum is σ = 167464306176. Its totient is φ = 104665191120.

The previous prime is 135192538681. The next prime is 135192538727. The reversal of 135192538685 is 586835291531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 135192538685 - 2² = 135192538681 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135192538685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135192538681) 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, 436104809 + ... + 436105118.

It is an arithmetic number, because the mean of its divisors is an integer number (20933038272).

Almost surely, 2^135192538685 is an apocalyptic number.

It is an amenable number.

135192538685 is a deficient number, since it is larger than the sum of its proper divisors (32271767491).

135192538685 is an equidigital number, since it uses as much as digits as its factorization.

135192538685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872209963.

The product of its digits is 7776000, while the sum is 56.

The spelling of 135192538685 in words is "one hundred thirty-five billion, one hundred ninety-two million, five hundred thirty-eight thousand, six hundred eighty-five".