135918491213916 has 48 divisors (see below), whose sum is σ = 352612647072000. Its totient is φ = 45276415709616.

The previous prime is 135918491213803. The next prime is 135918491214017. The reversal of 135918491213916 is 619312194819531.

135918491213916 is a `hidden beast` number, since 1 + 3 + 5 + 9 + 1 + 8 + 491 + 2 + 139 + 1 + 6 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

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, 413001816 + ... + 413330783.

It is an arithmetic number, because the mean of its divisors is an integer number (7346096814000).

Almost surely, 2^{135918491213916} is an apocalyptic number.

It is an amenable number.

135918491213916 is an abundant number, since it is smaller than the sum of its proper divisors (216694155858084).

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

135918491213916 is a wasteful number, since it uses less digits than its factorization.

135918491213916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826334135 (or 826334127 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 63.

The spelling of 135918491213916 in words is "one hundred thirty-five trillion, nine hundred eighteen billion, four hundred ninety-one million, two hundred thirteen thousand, nine hundred sixteen".