135084871886 has 4 divisors (see below), whose sum is σ = 202627307832. Its totient is φ = 67542435942.

The previous prime is 135084871853. The next prime is 135084871927. The reversal of 135084871886 is 688178480531.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×135084871886² (a number of 23 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 33771217970 + ... + 33771217973.

It is an arithmetic number, because the mean of its divisors is an integer number (50656826958).

Almost surely, 2^135084871886 is an apocalyptic number.

135084871886 is a deficient number, since it is larger than the sum of its proper divisors (67542435946).

135084871886 is an equidigital number, since it uses as much as digits as its factorization.

135084871886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67542435945.

The product of its (nonzero) digits is 10321920, while the sum is 59.

The spelling of 135084871886 in words is "one hundred thirty-five billion, eighty-four million, eight hundred seventy-one thousand, eight hundred eighty-six".