135192891686 has 8 divisors (see below), whose sum is σ = 202803664080. Its totient is φ = 67591670328.

The previous prime is 135192891667. The next prime is 135192891761. The reversal of 135192891686 is 686198291531.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2352266 + ... + 2409053.

It is an arithmetic number, because the mean of its divisors is an integer number (25350458010).

Almost surely, 2^135192891686 is an apocalyptic number.

135192891686 is a deficient number, since it is larger than the sum of its proper divisors (67610772394).

135192891686 is a wasteful number, since it uses less digits than its factorization.

135192891686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4775518.

The product of its digits is 5598720, while the sum is 59.

The spelling of 135192891686 in words is "one hundred thirty-five billion, one hundred ninety-two million, eight hundred ninety-one thousand, six hundred eighty-six".