135173533366 has 4 divisors (see below), whose sum is σ = 202760300052. Its totient is φ = 67586766682.

The previous prime is 135173533361. The next prime is 135173533373. The reversal of 135173533366 is 663335371531.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135173533361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33793383340 + ... + 33793383343.

It is an arithmetic number, because the mean of its divisors is an integer number (50690075013).

Almost surely, 2^135173533366 is an apocalyptic number.

135173533366 is a deficient number, since it is larger than the sum of its proper divisors (67586766686).

135173533366 is an equidigital number, since it uses as much as digits as its factorization.

135173533366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67586766685.

The product of its digits is 1530900, while the sum is 46.

The spelling of 135173533366 in words is "one hundred thirty-five billion, one hundred seventy-three million, five hundred thirty-three thousand, three hundred sixty-six".