135321674327 has 24 divisors (see below), whose sum is σ = 157839224400. Its totient is φ = 115677870336.

The previous prime is 135321674321. The next prime is 135321674351. The reversal of 135321674327 is 723476123531.

It is a de Polignac number, because none of the positive numbers 2^k-135321674327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135321674321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41520824 + ... + 41524082.

It is an arithmetic number, because the mean of its divisors is an integer number (6576634350).

Almost surely, 2^135321674327 is an apocalyptic number.

135321674327 is a deficient number, since it is larger than the sum of its proper divisors (22517550073).

135321674327 is a wasteful number, since it uses less digits than its factorization.

135321674327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295 (or 5288 counting only the distinct ones).

The product of its digits is 635040, while the sum is 44.

Adding to 135321674327 its reverse (723476123531), we get a palindrome (858797797858).

The spelling of 135321674327 in words is "one hundred thirty-five billion, three hundred twenty-one million, six hundred seventy-four thousand, three hundred twenty-seven".