139728714 has 8 divisors (see below), whose sum is σ = 279457440. Its totient is φ = 46576236.

The previous prime is 139728713. The next prime is 139728731. The reversal of 139728714 is 417827931.

It is a sphenic number, since it is the product of 3 distinct primes.

139728714 is an admirable number.

It is a super-2 number, since 2×139728714² = 39048227032187592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (139728713) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11644054 + ... + 11644065.

It is an arithmetic number, because the mean of its divisors is an integer number (34932180).

Almost surely, 2^139728714 is an apocalyptic number.

139728714 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139728714 is a wasteful number, since it uses less digits than its factorization.

139728714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23288124.

The product of its digits is 84672, while the sum is 42.

The square root of 139728714 is about 11820.6900813785. The cubic root of 139728714 is about 518.9138002303.

The spelling of 139728714 in words is "one hundred thirty-nine million, seven hundred twenty-eight thousand, seven hundred fourteen".