135321225415850 has 12 divisors (see below), whose sum is σ = 251697479273574. Its totient is φ = 54128490166320.

The previous prime is 135321225415759. The next prime is 135321225415897. The reversal of 135321225415850 is 58514522123531.

It can be written as a sum of positive squares in 3 ways, for example, as 119090229645409 + 16230995770441 = 10912847^2 + 4028771^2 .

It is a junction number, because it is equal to n+sod(n) for n = 135321225415795 and 135321225415804.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1353212254109 + ... + 1353212254208.

Almost surely, 2^{135321225415850} is an apocalyptic number.

135321225415850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135321225415850 is a deficient number, since it is larger than the sum of its proper divisors (116376253857724).

135321225415850 is a wasteful number, since it uses less digits than its factorization.

135321225415850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2706424508329 (or 2706424508324 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 135321225415850 in words is "one hundred thirty-five trillion, three hundred twenty-one billion, two hundred twenty-five million, four hundred fifteen thousand, eight hundred fifty".