135603411260656 has 20 divisors (see below), whose sum is σ = 262779632080704. Its totient is φ = 67789312659200.

The previous prime is 135603411260633. The next prime is 135603411260683. The reversal of 135603411260656 is 656062114306531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774470425 + ... + 774645496.

Almost surely, 2^{135603411260656} is an apocalyptic number.

135603411260656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

135603411260656 is a deficient number, since it is larger than the sum of its proper divisors (127176220820048).

135603411260656 is a wasteful number, since it uses less digits than its factorization.

135603411260656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549121400 (or 1549121394 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 49.

The spelling of 135603411260656 in words is "one hundred thirty-five trillion, six hundred three billion, four hundred eleven million, two hundred sixty thousand, six hundred fifty-six".