135361387603028 has 24 divisors (see below), whose sum is σ = 250818293841192. Its totient is φ = 63699068888064.

The previous prime is 135361387602913. The next prime is 135361387603093. The reversal of 135361387603028 is 820306783163531.

It can be written as a sum of positive squares in 4 ways, for example, as 22335189424144 + 113026198178884 = 4726012^2 + 10631378^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 4469726 + ... + 17049962.

It is an arithmetic number, because the mean of its divisors is an integer number (10450762243383).

Almost surely, 2^{135361387603028} is an apocalyptic number.

It is an amenable number.

135361387603028 is a deficient number, since it is larger than the sum of its proper divisors (115456906238164).

135361387603028 is a wasteful number, since it uses less digits than its factorization.

135361387603028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12738491 (or 12738489 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 135361387603028 in words is "one hundred thirty-five trillion, three hundred sixty-one billion, three hundred eighty-seven million, six hundred three thousand, twenty-eight".