135212200266646 has 16 divisors (see below), whose sum is σ = 203704733615040. Its totient is φ = 67310624609280.

The previous prime is 135212200266613. The next prime is 135212200266691. The reversal of 135212200266646 is 646662002212531.

It is a junction number, because it is equal to n+sod(n) for n = 135212200266596 and 135212200266605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204905430 + ... + 205564246.

It is an arithmetic number, because the mean of its divisors is an integer number (12731545850940).

Almost surely, 2^{135212200266646} is an apocalyptic number.

135212200266646 is a deficient number, since it is larger than the sum of its proper divisors (68492533348394).

135212200266646 is a wasteful number, since it uses less digits than its factorization.

135212200266646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107159.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 135212200266646 in words is "one hundred thirty-five trillion, two hundred twelve billion, two hundred million, two hundred sixty-six thousand, six hundred forty-six".