139766168 has 64 divisors (see below), whose sum is σ = 280896000. Its totient is φ = 65100672.

The previous prime is 139766149. The next prime is 139766173. The reversal of 139766168 is 861667931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005443 + ... + 1005581.

It is an arithmetic number, because the mean of its divisors is an integer number (4389000).

Almost surely, 2^139766168 is an apocalyptic number.

It is an amenable number.

139766168 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

139766168 is a wasteful number, since it uses less digits than its factorization.

139766168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 300 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 139766168 is about 11822.2742312975. The cubic root of 139766168 is about 518.9601606875.

The spelling of 139766168 in words is "one hundred thirty-nine million, seven hundred sixty-six thousand, one hundred sixty-eight".