135120403600506 has 12 divisors (see below), whose sum is σ = 292760874467802. Its totient is φ = 45040134533496.

The previous prime is 135120403600453. The next prime is 135120403600529. The reversal of 135120403600506 is 605006304021531.

135120403600506 is a `hidden beast` number, since 1 + 3 + 5 + 1 + 2 + 0 + 40 + 3 + 600 + 5 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 130001248472481 + 5119155128025 = 11401809^2 + 2262555^2 .

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, 3753344544441 + ... + 3753344544476.

Almost surely, 2^{135120403600506} is an apocalyptic number.

135120403600506 is an abundant number, since it is smaller than the sum of its proper divisors (157640470867296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135120403600506 is a wasteful number, since it uses less digits than its factorization.

135120403600506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7506689088925 (or 7506689088922 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 135120403600506 in words is "one hundred thirty-five trillion, one hundred twenty billion, four hundred three million, six hundred thousand, five hundred six".