135261246655 has 16 divisors (see below), whose sum is σ = 165781324800. Its totient is φ = 105897510432.

The previous prime is 135261246649. The next prime is 135261246761. The reversal of 135261246655 is 556642162531.

It is a cyclic number.

It is not a de Polignac number, because 135261246655 - 2³ = 135261246647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4260952 + ... + 4292578.

It is an arithmetic number, because the mean of its divisors is an integer number (10361332800).

Almost surely, 2^135261246655 is an apocalyptic number.

135261246655 is a deficient number, since it is larger than the sum of its proper divisors (30520078145).

135261246655 is a wasteful number, since it uses less digits than its factorization.

135261246655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49878.

The product of its digits is 1296000, while the sum is 46.

The spelling of 135261246655 in words is "one hundred thirty-five billion, two hundred sixty-one million, two hundred forty-six thousand, six hundred fifty-five".