135639971704 has 16 divisors (see below), whose sum is σ = 254341810800. Its totient is φ = 67815488832.

The previous prime is 135639971699. The next prime is 135639971743. The reversal of 135639971704 is 407179936531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432172 + ... + 676795.

It is an arithmetic number, because the mean of its divisors is an integer number (15896363175).

Almost surely, 2^135639971704 is an apocalyptic number.

It is an amenable number.

135639971704 is a deficient number, since it is larger than the sum of its proper divisors (118701839096).

135639971704 is a wasteful number, since it uses less digits than its factorization.

135639971704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124262 (or 1124258 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 135639971704 in words is "one hundred thirty-five billion, six hundred thirty-nine million, nine hundred seventy-one thousand, seven hundred four".