139727379 has 16 divisors (see below), whose sum is σ = 205816320. Its totient is φ = 83609760.

The previous prime is 139727359. The next prime is 139727383. The reversal of 139727379 is 973727931.

It is not a de Polignac number, because 139727379 - 2⁷ = 139727251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139727359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24192 + ... + 29405.

It is an arithmetic number, because the mean of its divisors is an integer number (12863520).

Almost surely, 2^139727379 is an apocalyptic number.

139727379 is a deficient number, since it is larger than the sum of its proper divisors (66088941).

139727379 is a wasteful number, since it uses less digits than its factorization.

139727379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53690.

The product of its digits is 500094, while the sum is 48.

The square root of 139727379 is about 11820.6336124592. The cubic root of 139727379 is about 518.9121476181.

The spelling of 139727379 in words is "one hundred thirty-nine million, seven hundred twenty-seven thousand, three hundred seventy-nine".