139359516 has 12 divisors (see below), whose sum is σ = 325172232. Its totient is φ = 46453168.

The previous prime is 139359499. The next prime is 139359527. The reversal of 139359516 is 615953931.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5806635 + ... + 5806658.

It is an arithmetic number, because the mean of its divisors is an integer number (27097686).

Almost surely, 2^139359516 is an apocalyptic number.

It is an amenable number.

139359516 is an abundant number, since it is smaller than the sum of its proper divisors (185812716).

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

139359516 is a wasteful number, since it uses less digits than its factorization.

139359516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11613300 (or 11613298 counting only the distinct ones).

The product of its digits is 109350, while the sum is 42.

The square root of 139359516 is about 11805.0631510382. The cubic root of 139359516 is about 518.4563640180.

The spelling of 139359516 in words is "one hundred thirty-nine million, three hundred fifty-nine thousand, five hundred sixteen".