139704271 has 8 divisors (see below), whose sum is σ = 162368640. Its totient is φ = 117716568.

The previous prime is 139704269. The next prime is 139704289. The reversal of 139704271 is 172407931.

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 139704271 - 2¹ = 139704269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139704221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168721 + ... + 169546.

It is an arithmetic number, because the mean of its divisors is an integer number (20296080).

Almost surely, 2^139704271 is an apocalyptic number.

139704271 is a deficient number, since it is larger than the sum of its proper divisors (22664369).

139704271 is an equidigital number, since it uses as much as digits as its factorization.

139704271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338333.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 139704271 is about 11819.6561286697. The cubic root of 139704271 is about 518.8835402851.

The spelling of 139704271 in words is "one hundred thirty-nine million, seven hundred four thousand, two hundred seventy-one".