139939614 has 24 divisors (see below), whose sum is σ = 321038640. Its totient is φ = 43902528.

The previous prime is 139939603. The next prime is 139939627. The reversal of 139939614 is 416939931.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 139939614.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 228354 + ... + 228965.

It is an arithmetic number, because the mean of its divisors is an integer number (13376610).

Almost surely, 2^139939614 is an apocalyptic number.

139939614 is an abundant number, since it is smaller than the sum of its proper divisors (181099026).

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

139939614 is a wasteful number, since it uses less digits than its factorization.

139939614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457344 (or 457341 counting only the distinct ones).

The product of its digits is 157464, while the sum is 45.

The square root of 139939614 is about 11829.6075167353. The cubic root of 139939614 is about 519.1747437467.

The spelling of 139939614 in words is "one hundred thirty-nine million, nine hundred thirty-nine thousand, six hundred fourteen".