139710 has 16 divisors (see below), whose sum is σ = 335376. Its totient is φ = 37248.

The previous prime is 139709. The next prime is 139721. The reversal of 139710 is 17931.

Added to its reverse (17931) it gives a triangular number (157641 = T₅₆₁).

139710 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2299 + ... + 2358.

It is an arithmetic number, because the mean of its divisors is an integer number (20961).

2¹³⁹⁷¹⁰ is an apocalyptic number.

139710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139710 is an abundant number, since it is smaller than the sum of its proper divisors (195666).

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

139710 is a wasteful number, since it uses less digits than its factorization.

139710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 139710 is about 373.7780089839. The cubic root of 139710 is about 51.8890632989.

Adding to 139710 its reverse (17931), we get a triangular number (157641 = T₅₆₁).

The spelling of 139710 in words is "one hundred thirty-nine thousand, seven hundred ten".