135375621866 has 8 divisors (see below), whose sum is σ = 203188862880. Its totient is φ = 67646000908.

The previous prime is 135375621853. The next prime is 135375621877. The reversal of 135375621866 is 668126573531.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20900966 + ... + 20907441.

It is an arithmetic number, because the mean of its divisors is an integer number (25398607860).

Almost surely, 2^135375621866 is an apocalyptic number.

135375621866 is a deficient number, since it is larger than the sum of its proper divisors (67813241014).

135375621866 is a wasteful number, since it uses less digits than its factorization.

135375621866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41810028.

The product of its digits is 5443200, while the sum is 53.

The spelling of 135375621866 in words is "one hundred thirty-five billion, three hundred seventy-five million, six hundred twenty-one thousand, eight hundred sixty-six".