139050079 has 8 divisors (see below), whose sum is σ = 161608320. Its totient is φ = 117165336.

The previous prime is 139050077. The next prime is 139050083. The reversal of 139050079 is 970050931.

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

It is a cyclic number.

It is not a de Polignac number, because 139050079 - 2¹ = 139050077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139050071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167929 + ... + 168754.

It is an arithmetic number, because the mean of its divisors is an integer number (20201040).

Almost surely, 2^139050079 is an apocalyptic number.

139050079 is a deficient number, since it is larger than the sum of its proper divisors (22558241).

139050079 is an equidigital number, since it uses as much as digits as its factorization.

139050079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336749.

The product of its (nonzero) digits is 8505, while the sum is 34.

The square root of 139050079 is about 11791.9497539635. The cubic root of 139050079 is about 518.0723489331.

The spelling of 139050079 in words is "one hundred thirty-nine million, fifty thousand, seventy-nine".