139580 has 24 divisors (see below), whose sum is σ = 335328. Its totient is φ = 47808.

The previous prime is 139571. The next prime is 139589. The reversal of 139580 is 85931.

It is an interprime number because it is at equal distance from previous prime (139571) and next prime (139589).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139589) by changing a digit.

139580 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359 + ... + 638.

It is an arithmetic number, because the mean of its divisors is an integer number (13972).

2¹³⁹⁵⁸⁰ is an apocalyptic number.

139580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

139580 is an abundant number, since it is smaller than the sum of its proper divisors (195748).

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

139580 is a wasteful number, since it uses less digits than its factorization.

139580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 1011 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 139580 is about 373.6040685003. The cubic root of 139580 is about 51.8729640658.

The spelling of 139580 in words is "one hundred thirty-nine thousand, five hundred eighty".