139275564 has 12 divisors (see below), whose sum is σ = 324976344. Its totient is φ = 46425184.

The previous prime is 139275559. The next prime is 139275569. The reversal of 139275564 is 465572931.

It is an interprime number because it is at equal distance from previous prime (139275559) and next prime (139275569).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (139275569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5803137 + ... + 5803160.

It is an arithmetic number, because the mean of its divisors is an integer number (27081362).

Almost surely, 2^139275564 is an apocalyptic number.

It is an amenable number.

139275564 is an abundant number, since it is smaller than the sum of its proper divisors (185700780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139275564 is a wasteful number, since it uses less digits than its factorization.

139275564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11606304 (or 11606302 counting only the distinct ones).

The product of its digits is 226800, while the sum is 42.

The square root of 139275564 is about 11801.5068529404. The cubic root of 139275564 is about 518.3522348014.

It can be divided in two parts, 13927 and 5564, that added together give a palindrome (19491).

The spelling of 139275564 in words is "one hundred thirty-nine million, two hundred seventy-five thousand, five hundred sixty-four".