139560 has 32 divisors (see below), whose sum is σ = 419040. Its totient is φ = 37184.

The previous prime is 139547. The next prime is 139571. The reversal of 139560 is 65931.

139560 = T₁₂₄ + T₁₂₅ + ... + T₁₃₉.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 139560.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (13095).

2¹³⁹⁵⁶⁰ is an apocalyptic number.

139560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139560 is an abundant number, since it is smaller than the sum of its proper divisors (279480).

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

139560 is a wasteful number, since it uses less digits than its factorization.

139560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 139560 is about 373.5773012376. The cubic root of 139560 is about 51.8704863736.

The spelling of 139560 in words is "one hundred thirty-nine thousand, five hundred sixty".