139519564 has 24 divisors (see below), whose sum is σ = 257130720. Its totient is φ = 66109824.

The previous prime is 139519559. The next prime is 139519607. The reversal of 139519564 is 465915931.

It is a self number, because there is not a number n which added to its sum of digits gives 139519564.

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, 3072 + ... + 16984.

It is an arithmetic number, because the mean of its divisors is an integer number (10713780).

Almost surely, 2^139519564 is an apocalyptic number.

It is an amenable number.

139519564 is a deficient number, since it is larger than the sum of its proper divisors (117611156).

139519564 is a wasteful number, since it uses less digits than its factorization.

139519564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049 (or 14047 counting only the distinct ones).

The product of its digits is 145800, while the sum is 43.

The square root of 139519564 is about 11811.8399921435. The cubic root of 139519564 is about 518.6547625232.

The spelling of 139519564 in words is "one hundred thirty-nine million, five hundred nineteen thousand, five hundred sixty-four".