139816162656 has 36 divisors (see below), whose sum is σ = 397602213372. Its totient is φ = 46605387456.

The previous prime is 139816162631. The next prime is 139816162691. The reversal of 139816162656 is 656261618931.

139816162656 is a `hidden beast` number, since 1 + 3 + 9 + 8 + 1 + 6 + 1 + 626 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 242736106 + ... + 242736681.

It is an arithmetic number, because the mean of its divisors is an integer number (11044505927).

Almost surely, 2^139816162656 is an apocalyptic number.

139816162656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

139816162656 is an abundant number, since it is smaller than the sum of its proper divisors (257786050716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139816162656 is a wasteful number, since it uses less digits than its factorization.

139816162656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485472803 (or 485472792 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 139816162656 in words is "one hundred thirty-nine billion, eight hundred sixteen million, one hundred sixty-two thousand, six hundred fifty-six".