139016975 has 6 divisors (see below), whose sum is σ = 172381080. Its totient is φ = 111213560.

The previous prime is 139016971. The next prime is 139017001. The reversal of 139016975 is 579610931.

It is not a de Polignac number, because 139016975 - 2² = 139016971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139016971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2780315 + ... + 2780364.

It is an arithmetic number, because the mean of its divisors is an integer number (28730180).

Almost surely, 2^139016975 is an apocalyptic number.

139016975 is a deficient number, since it is larger than the sum of its proper divisors (33364105).

139016975 is an equidigital number, since it uses as much as digits as its factorization.

139016975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560689 (or 5560684 counting only the distinct ones).

The product of its (nonzero) digits is 51030, while the sum is 41.

The square root of 139016975 is about 11790.5460009280. The cubic root of 139016975 is about 518.0312327436.

The spelling of 139016975 in words is "one hundred thirty-nine million, sixteen thousand, nine hundred seventy-five".