135406531120612 has 6 divisors (see below), whose sum is σ = 236961429461078. Its totient is φ = 67703265560304.

The previous prime is 135406531120591. The next prime is 135406531120643. The reversal of 135406531120612 is 216021135604531.

It can be written as a sum of positive squares in only one way, i.e., 126108947070976 + 9297584049636 = 11229824^2 + 3049194^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16925816390073 + ... + 16925816390080.

Almost surely, 2^{135406531120612} is an apocalyptic number.

It is an amenable number.

135406531120612 is a deficient number, since it is larger than the sum of its proper divisors (101554898340466).

135406531120612 is a wasteful number, since it uses less digits than its factorization.

135406531120612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33851632780157 (or 33851632780155 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 135406531120612 in words is "one hundred thirty-five trillion, four hundred six billion, five hundred thirty-one million, one hundred twenty thousand, six hundred twelve".