139704159 has 8 divisors (see below), whose sum is σ = 212882560. Its totient is φ = 79830936.

The previous prime is 139704157. The next prime is 139704167. The reversal of 139704159 is 951407931.

It is a happy number.

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

It is not a de Polignac number, because 139704159 - 2¹ = 139704157 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 (139704157) 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, 3326269 + ... + 3326310.

It is an arithmetic number, because the mean of its divisors is an integer number (26610320).

Almost surely, 2^139704159 is an apocalyptic number.

139704159 is a deficient number, since it is larger than the sum of its proper divisors (73178401).

139704159 is an equidigital number, since it uses as much as digits as its factorization.

139704159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6652589.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 139704159 is about 11819.6513907983. The cubic root of 139704159 is about 518.8834016232.

The spelling of 139704159 in words is "one hundred thirty-nine million, seven hundred four thousand, one hundred fifty-nine".