318882138136 has 8 divisors (see below), whose sum is σ = 597904009020. Its totient is φ = 159441069064.

The previous prime is 318882138053. The next prime is 318882138149. The reversal of 318882138136 is 631831288813.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19930133626 + ... + 19930133641.

Almost surely, 2^318882138136 is an apocalyptic number.

It is an amenable number.

318882138136 is a deficient number, since it is larger than the sum of its proper divisors (279021870884).

318882138136 is a wasteful number, since it uses less digits than its factorization.

318882138136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39860267273 (or 39860267269 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 52.

The spelling of 318882138136 in words is "three hundred eighteen billion, eight hundred eighty-two million, one hundred thirty-eight thousand, one hundred thirty-six".