135413408456 has 8 divisors (see below), whose sum is σ = 253900140870. Its totient is φ = 67706704224.

The previous prime is 135413408423. The next prime is 135413408513. The reversal of 135413408456 is 654804314531.

It can be written as a sum of positive squares in only one way, i.e., 87918180100 + 47495228356 = 296510^2 + 217934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8463338021 + ... + 8463338036.

Almost surely, 2^135413408456 is an apocalyptic number.

It is an amenable number.

135413408456 is a deficient number, since it is larger than the sum of its proper divisors (118486732414).

135413408456 is a wasteful number, since it uses less digits than its factorization.

135413408456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16926676063 (or 16926676059 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 135413408456 in words is "one hundred thirty-five billion, four hundred thirteen million, four hundred eight thousand, four hundred fifty-six".