139519118 has 16 divisors (see below), whose sum is σ = 213166080. Its totient is φ = 68472600.

The previous prime is 139519097. The next prime is 139519151. The reversal of 139519118 is 811915931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31883 + ... + 35993.

It is an arithmetic number, because the mean of its divisors is an integer number (13322880).

Almost surely, 2^139519118 is an apocalyptic number.

139519118 is a deficient number, since it is larger than the sum of its proper divisors (73646962).

139519118 is a wasteful number, since it uses less digits than its factorization.

139519118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423.

The product of its digits is 9720, while the sum is 38.

The square root of 139519118 is about 11811.8211127667. The cubic root of 139519118 is about 518.6542098641.

The spelling of 139519118 in words is "one hundred thirty-nine million, five hundred nineteen thousand, one hundred eighteen".