135664543274 has 16 divisors (see below), whose sum is σ = 219282266112. Its totient is φ = 62576733168.

The previous prime is 135664543219. The next prime is 135664543381. The reversal of 135664543274 is 472345466531.

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, 1525574 + ... + 1612049.

It is an arithmetic number, because the mean of its divisors is an integer number (13705141632).

Almost surely, 2^135664543274 is an apocalyptic number.

135664543274 is a deficient number, since it is larger than the sum of its proper divisors (83617722838).

135664543274 is a wasteful number, since it uses less digits than its factorization.

135664543274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3139301.

The product of its digits is 7257600, while the sum is 50.

The spelling of 135664543274 in words is "one hundred thirty-five billion, six hundred sixty-four million, five hundred forty-three thousand, two hundred seventy-four".